GMAT Quant and Verbal Practice Test 2

Q1. What is r? (1) 2r + s = 28 (2) s = 10

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

Q2. A company introduced digital menus and later reported that average order size increased. It concluded that digital menus caused the improvement. Which option most weakens the conclusion?

The company measured the result weekly. Prices were raised during the same week. The change was inexpensive to implement. Some employees said they liked the change. The change was announced by email.

Q3. If 3x + 2 = 20, what is x?

8 6 7 5 4

Q4. If 3x + 26 = 80, what is x?

16 20 17 19 18

Q5. Choose the best version: The new sensor is more accurate than ___ installed last year.

that the sensor them those it

Q6. Is integer n even? (1) n is a multiple of 6. (2) n squared is even.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. EACH statement ALONE is sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

Q7. Five numbers have an average of 24. If four of the numbers have a sum of 93, what is the fifth number?

25 29 27 28 26

Q8. Five numbers have an average of 40. If four of the numbers have a sum of 157, what is the fifth number?

45 42 44 41 43

Q9. What is x? (1) x is positive. (2) x = 13

EACH statement ALONE is sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Statements (1) and (2) TOGETHER are NOT sufficient.

Q10. Choose the best version: The director, along with two assistants, ___ responsible for the final budget.

is have been are being were

Q11. Choose the best version: The engineers tested the device under high pressure, ___ the results carefully.

they recorded recording and recording were recording recorded

Q12. A car travels 945 miles at 45 miles per hour. How many hours does the trip take?

22 21 20 23 19

Q13. Is x = y? (1) x squared equals y squared. (2) x + y = 0

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient.

Q14. Choose the best version: The analyst explained that revenue had increased, ___ costs had remained stable.

and with but having while that and that

Q15. Choose the best version: The report compares the revenue of small firms with ___ of large firms.

that it their revenue those large firms

Q16. What is x? (1) x is positive. (2) x = 18

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. EACH statement ALONE is sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

Q17. Is integer n even? (1) n is a multiple of 6. (2) n squared is even.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. EACH statement ALONE is sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient.

Q18. A company introduced loyalty cards and later reported that repeat purchases increased. It concluded that loyalty cards caused the improvement. Which option most weakens the conclusion?

The change was announced by email. Some employees said they liked the change. The company measured the result weekly. A large discount campaign started at the same time. The change was inexpensive to implement.

Q19. What is the average of a, b, and c? (1) a + b + c = 15 (2) c = 5

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. EACH statement ALONE is sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Q20. A company introduced new packaging and later reported that shipping damage decreased. It concluded that new packaging caused the improvement. Which option most weakens the conclusion?

The change was announced by email. The company also changed its delivery carrier. The company measured the result weekly. Some employees said they liked the change. The change was inexpensive to implement.

Q21. What is r? (1) 2r + s = 13 (2) s = 5

EACH statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

Q22. Is x = y? (1) x squared equals y squared. (2) x + y = 0

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Q23. What is x? (1) x is positive. (2) x = 8

EACH statement ALONE is sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

Q24. Passage: Several companies have introduced four-day workweeks while keeping weekly pay unchanged. Early reports show higher satisfaction and lower turnover. However, companies that adopt flexible schedules may already have stronger cultures and better hiring practices. Question: Which statement is supported?

Four-day weeks cannot affect turnover. Satisfaction is impossible to measure. Hiring never affects outcomes. Early results are promising but not conclusive. Managers proved flexible schedules fail.

Q25. A company introduced mobile app and later reported that gym visits increased. It concluded that mobile app caused the improvement. Which option most weakens the conclusion?

App users were already the most active members. Some employees said they liked the change. The company measured the result weekly. The change was announced by email. The change was inexpensive to implement.

Q26. Choose the best version: A list of required documents ___ sent to all applicants yesterday.

being was have been were are

Q27. Choose the best version: Neither the manager nor the analysts ___ willing to approve the forecast.

is has been being was were

Q28. A car travels 585 miles at 45 miles per hour. How many hours does the trip take?

13 14 15 11 12

Q29. A company introduced checklists and later reported that team errors decreased. It concluded that checklists caused the improvement. Which option most weakens the conclusion?

The company measured the result weekly. The change was announced by email. The checklist teams were assigned easier projects. The change was inexpensive to implement. Some employees said they liked the change.

Q30. Passage: In product design, simplicity is not the absence of features but the careful arrangement of them. A simple product may contain complex technology, but users should encounter that complexity only when it helps them complete a task. Designers therefore distinguish between technical complexity and user complexity. Question: According to the passage, a simple product may still

contain complex technology use no design process avoid all features hide every function permanently require experts

Q31. A price increased from 240 to 288. What was the percent increase?

25% 20% 10% 15% 30%

Q32. Passage: Several companies have introduced four-day workweeks while keeping weekly pay unchanged. Early reports show higher satisfaction and lower turnover. However, companies that adopt flexible schedules may already have stronger cultures and better hiring practices. Question: Why mention stronger cultures and better hiring practices?

To reject hiring practices. To prove all companies can change schedules. To show turnover always rises. To identify alternative explanations for positive outcomes. To criticize surveys.

Q33. Passage: Urban tree programs are often promoted as environmental projects, but their effects are also economic. Trees can reduce cooling costs, improve pedestrian activity, and make commercial areas more attractive. Yet benefits are uneven when low-income neighborhoods receive fewer plantings or less maintenance. Question: According to the passage, trees can

eliminate maintenance replace all spending reduce pedestrian activity make commercial areas more attractive increase cooling costs

Q34. A company introduced plants in offices and later reported that productivity increased. It concluded that plants in offices caused the improvement. Which option most weakens the conclusion?

The change was inexpensive to implement. Some employees said they liked the change. The change was announced by email. Productive offices received plants as a reward for earlier performance. The company measured the result weekly.

Q35. A price increased from 120 to 144. What was the percent increase?

10% 20% 30% 15% 25%

Q36. Passage: Urban tree programs are often promoted as environmental projects, but their effects are also economic. Trees can reduce cooling costs, improve pedestrian activity, and make commercial areas more attractive. Yet benefits are uneven when low-income neighborhoods receive fewer plantings or less maintenance. Question: What is the primary purpose?

To argue only wealthy areas need trees. To explain that urban trees can have environmental and economic effects. To prove trees harm commerce. To describe tree biology. To compare trees with buses.

Q37. A company introduced online training and later reported that completion rates improved. It concluded that online training caused the improvement. Which option most weakens the conclusion?

The company measured the result weekly. Employees were required by managers to finish. The change was inexpensive to implement. Some employees said they liked the change. The change was announced by email.

Q38. Five numbers have an average of 28. If four of the numbers have a sum of 109, what is the fifth number?

33 31 30 29 32

Q39. Passage: Several companies have introduced four-day workweeks while keeping weekly pay unchanged. Early reports show higher satisfaction and lower turnover. However, companies that adopt flexible schedules may already have stronger cultures and better hiring practices. Question: The author’s attitude is best described as

strongly dismissive cautiously analytical angry uncritically enthusiastic unrelated to evidence

Q40. What is r? (1) 2r + s = 58 (2) s = 20

EACH statement ALONE is sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

Q41. A price increased from 160 to 192. What was the percent increase?

10% 30% 15% 20% 25%

Q42. What is the average of a, b, and c? (1) a + b + c = 45 (2) c = 15

Statements (1) and (2) TOGETHER are NOT sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

Q43. Passage: In product design, simplicity is not the absence of features but the careful arrangement of them. A simple product may contain complex technology, but users should encounter that complexity only when it helps them complete a task. Designers therefore distinguish between technical complexity and user complexity. Question: The author would most likely agree that designers should

present complexity only when it helps the user avoid user testing expose all technical details focus only on engineering remove every advanced feature

Q44. A company introduced tree planting and later reported that shop visits increased. It concluded that tree planting caused the improvement. Which option most weakens the conclusion?

The change was announced by email. The change was inexpensive to implement. A new parking lot opened nearby. The company measured the result weekly. Some employees said they liked the change.

Q45. Passage: In product design, simplicity is not the absence of features but the careful arrangement of them. A simple product may contain complex technology, but users should encounter that complexity only when it helps them complete a task. Designers therefore distinguish between technical complexity and user complexity. Question: What distinction is central?

High prices versus low prices. Old products versus new products. Technical complexity versus user complexity. Hardware versus speed. Marketing versus accounting.

Q46. A company introduced shorter chapters and later reported that book sales improved. It concluded that shorter chapters caused the improvement. Which option most weakens the conclusion?

The company measured the result weekly. The books were in more popular genres. The change was announced by email. Some employees said they liked the change. The change was inexpensive to implement.

Q47. A company introduced appointment reminders and later reported that missed appointments decreased. It concluded that appointment reminders caused the improvement. Which option most weakens the conclusion?

The change was announced by email. The company measured the result weekly. A new penalty fee for missing appointments began. Some employees said they liked the change. The change was inexpensive to implement.

Q48. Choose the best version: The consultant advised the team to simplify the form and ___ unnecessary questions.

will remove to removing removing remove removed

Q49. What is the average of a, b, and c? (1) a + b + c = 60 (2) c = 20

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. EACH statement ALONE is sufficient.

Q50. Is x = y? (1) x squared equals y squared. (2) x + y = 0

Statements (1) and (2) TOGETHER are NOT sufficient. EACH statement ALONE is sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

Q51. A car travels 225 miles at 45 miles per hour. How many hours does the trip take?

7 6 3 5 4

Q52. A price increased from 200 to 240. What was the percent increase?

20% 30% 25% 10% 15%

Q53. A company introduced brighter streetlights and later reported that night accidents decreased. It concluded that brighter streetlights caused the improvement. Which option most weakens the conclusion?

The change was announced by email. Police patrols also increased at night. Some employees said they liked the change. The change was inexpensive to implement. The company measured the result weekly.

Q54. A car travels 765 miles at 45 miles per hour. How many hours does the trip take?

17 18 19 16 15

Q55. Passage: Urban tree programs are often promoted as environmental projects, but their effects are also economic. Trees can reduce cooling costs, improve pedestrian activity, and make commercial areas more attractive. Yet benefits are uneven when low-income neighborhoods receive fewer plantings or less maintenance. Question: The word uneven is closest in meaning to

complex recently measured physically flat not equally distributed advertised

Q56. Choose the best version: The survey asked whether customers preferred online support ___ phone support.

rather to than or instead

Q57. If 3x + 34 = 100, what is x?

20 24 22 21 23

Q58. Choose the best version: Since the policy was introduced, the number of late submissions ___ significantly.

has decreased decrease were decreasing have decreased are decreasing

Q59. Passage: In product design, simplicity is not the absence of features but the careful arrangement of them. A simple product may contain complex technology, but users should encounter that complexity only when it helps them complete a task. Designers therefore distinguish between technical complexity and user complexity. Question: What is the main idea?

Simplicity depends on how features are arranged and presented. Simple products cannot contain complex systems. Users prefer no technology. Designers should use one function only. Technical and user complexity are identical.

Q60. If 3x + 10 = 40, what is x?

11 12 10 8 9

Q61. If 3x + 18 = 60, what is x?

13 12 15 14 16

Q62. Five numbers have an average of 32. If four of the numbers have a sum of 125, what is the fifth number?

33 37 35 36 34

Q63. A price increased from 280 to 336. What was the percent increase?

30% 10% 25% 15% 20%

Q64. Is integer n even? (1) n is a multiple of 6. (2) n squared is even.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. EACH statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient.

Q65. Choose the best version: The company reduced costs not by cutting staff ___ by improving scheduling.

but nor or as and

Q66. What is the average of a, b, and c? (1) a + b + c = 30 (2) c = 10

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. EACH statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient.

Q67. A company introduced review sessions and later reported that student scores increased. It concluded that review sessions caused the improvement. Which option most weakens the conclusion?

The change was announced by email. The change was inexpensive to implement. The company measured the result weekly. Students attending already had higher grades. Some employees said they liked the change.

Q68. Choose the best version: Each of the proposals ___ a different solution.

are offering offers were offer offer have offered

Q69. Passage: Urban tree programs are often promoted as environmental projects, but their effects are also economic. Trees can reduce cooling costs, improve pedestrian activity, and make commercial areas more attractive. Yet benefits are uneven when low-income neighborhoods receive fewer plantings or less maintenance. Question: What concern is raised?

Benefits may be unevenly distributed. All neighborhoods receive too many trees. Commercial areas reject trees. Trees have no environmental value. Maintenance is never needed.

Q70. A car travels 405 miles at 45 miles per hour. How many hours does the trip take?

7 8 11 10 9

Q71. Choose the best version: Because the data were incomplete, the researchers postponed ___ conclusions.

announced to announce announce to announcing announcing

Q72. A company introduced bike lanes and later reported that car trips decreased. It concluded that bike lanes caused the improvement. Which option most weakens the conclusion?

Some employees said they liked the change. Fuel prices rose sharply during the same period. The change was announced by email. The change was inexpensive to implement. The company measured the result weekly.

Q73. Choose the best version: The committee recommended that the director ___ the proposal before Friday.

will review reviewed reviews has reviewed review

Q74. A company introduced new software and later reported that task speed improved. It concluded that new software caused the improvement. Which option most weakens the conclusion?

The change was announced by email. Some employees said they liked the change. Only experienced employees tested the software. The change was inexpensive to implement. The company measured the result weekly.

Q75. What is r? (1) 2r + s = 43 (2) s = 15

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. EACH statement ALONE is sufficient. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statements (1) and (2) TOGETHER are NOT sufficient.

Q76. A company introduced air filters and later reported that employee sick days decreased. It concluded that air filters caused the improvement. Which option most weakens the conclusion?

The company measured the result weekly. The change was inexpensive to implement. The change was announced by email. Some employees said they liked the change. The company also introduced remote-work days.

Q77. Passage: Several companies have introduced four-day workweeks while keeping weekly pay unchanged. Early reports show higher satisfaction and lower turnover. However, companies that adopt flexible schedules may already have stronger cultures and better hiring practices. Question: What is the main point of the passage?

Satisfaction is unrelated to scheduling. Flexible schedules may have benefits, but the evidence needs careful interpretation. Managers prefer longer weeks. Only weak companies try flexible schedules. Four-day workweeks always reduce productivity.

Q78. Five numbers have an average of 36. If four of the numbers have a sum of 141, what is the fifth number?

39 41 40 38 37

GMAT Quant and Verbal Practice Test 2

Questions

Q1. What is r? (1) 2r + s = 28 (2) s = 10

Q2. A company introduced digital menus and later reported that average order size increased. It concluded that digital menus caused the improvement. Which option most weakens the conclusion?

Q3. If 3x + 2 = 20, what is x?

Q4. If 3x + 26 = 80, what is x?

Q5. Choose the best version: The new sensor is more accurate than ___ installed last year.

Q6. Is integer n even? (1) n is a multiple of 6. (2) n squared is even.

Q7. Five numbers have an average of 24. If four of the numbers have a sum of 93, what is the fifth number?

Q8. Five numbers have an average of 40. If four of the numbers have a sum of 157, what is the fifth number?

Q9. What is x? (1) x is positive. (2) x = 13

Q10. Choose the best version: The director, along with two assistants, ___ responsible for the final budget.

Q11. Choose the best version: The engineers tested the device under high pressure, ___ the results carefully.

Q12. A car travels 945 miles at 45 miles per hour. How many hours does the trip take?

Q13. Is x = y? (1) x squared equals y squared. (2) x + y = 0

Q14. Choose the best version: The analyst explained that revenue had increased, ___ costs had remained stable.

Q15. Choose the best version: The report compares the revenue of small firms with ___ of large firms.

Q16. What is x? (1) x is positive. (2) x = 18

Q17. Is integer n even? (1) n is a multiple of 6. (2) n squared is even.

Q18. A company introduced loyalty cards and later reported that repeat purchases increased. It concluded that loyalty cards caused the improvement. Which option most weakens the conclusion?

Q19. What is the average of a, b, and c? (1) a + b + c = 15 (2) c = 5

Q20. A company introduced new packaging and later reported that shipping damage decreased. It concluded that new packaging caused the improvement. Which option most weakens the conclusion?

Q21. What is r? (1) 2r + s = 13 (2) s = 5

Q22. Is x = y? (1) x squared equals y squared. (2) x + y = 0

Q23. What is x? (1) x is positive. (2) x = 8

Q25. A company introduced mobile app and later reported that gym visits increased. It concluded that mobile app caused the improvement. Which option most weakens the conclusion?

Q26. Choose the best version: A list of required documents ___ sent to all applicants yesterday.

Q27. Choose the best version: Neither the manager nor the analysts ___ willing to approve the forecast.

Q28. A car travels 585 miles at 45 miles per hour. How many hours does the trip take?

Q29. A company introduced checklists and later reported that team errors decreased. It concluded that checklists caused the improvement. Which option most weakens the conclusion?

Q31. A price increased from 240 to 288. What was the percent increase?

Q34. A company introduced plants in offices and later reported that productivity increased. It concluded that plants in offices caused the improvement. Which option most weakens the conclusion?

Q35. A price increased from 120 to 144. What was the percent increase?

Q37. A company introduced online training and later reported that completion rates improved. It concluded that online training caused the improvement. Which option most weakens the conclusion?

Q38. Five numbers have an average of 28. If four of the numbers have a sum of 109, what is the fifth number?

Q40. What is r? (1) 2r + s = 58 (2) s = 20

Q41. A price increased from 160 to 192. What was the percent increase?

Q42. What is the average of a, b, and c? (1) a + b + c = 45 (2) c = 15

Q44. A company introduced tree planting and later reported that shop visits increased. It concluded that tree planting caused the improvement. Which option most weakens the conclusion?

Q46. A company introduced shorter chapters and later reported that book sales improved. It concluded that shorter chapters caused the improvement. Which option most weakens the conclusion?

Q47. A company introduced appointment reminders and later reported that missed appointments decreased. It concluded that appointment reminders caused the improvement. Which option most weakens the conclusion?

Q48. Choose the best version: The consultant advised the team to simplify the form and ___ unnecessary questions.

Q49. What is the average of a, b, and c? (1) a + b + c = 60 (2) c = 20

Q50. Is x = y? (1) x squared equals y squared. (2) x + y = 0

Q51. A car travels 225 miles at 45 miles per hour. How many hours does the trip take?

Q52. A price increased from 200 to 240. What was the percent increase?

Q53. A company introduced brighter streetlights and later reported that night accidents decreased. It concluded that brighter streetlights caused the improvement. Which option most weakens the conclusion?

Q54. A car travels 765 miles at 45 miles per hour. How many hours does the trip take?

Q56. Choose the best version: The survey asked whether customers preferred online support ___ phone support.

Q57. If 3x + 34 = 100, what is x?

Q58. Choose the best version: Since the policy was introduced, the number of late submissions ___ significantly.

Q60. If 3x + 10 = 40, what is x?

Q61. If 3x + 18 = 60, what is x?

Q62. Five numbers have an average of 32. If four of the numbers have a sum of 125, what is the fifth number?

Q63. A price increased from 280 to 336. What was the percent increase?

Q64. Is integer n even? (1) n is a multiple of 6. (2) n squared is even.

Q65. Choose the best version: The company reduced costs not by cutting staff ___ by improving scheduling.

Q66. What is the average of a, b, and c? (1) a + b + c = 30 (2) c = 10

Q67. A company introduced review sessions and later reported that student scores increased. It concluded that review sessions caused the improvement. Which option most weakens the conclusion?

Q68. Choose the best version: Each of the proposals ___ a different solution.

Q70. A car travels 405 miles at 45 miles per hour. How many hours does the trip take?

Q71. Choose the best version: Because the data were incomplete, the researchers postponed ___ conclusions.

Q72. A company introduced bike lanes and later reported that car trips decreased. It concluded that bike lanes caused the improvement. Which option most weakens the conclusion?

Q73. Choose the best version: The committee recommended that the director ___ the proposal before Friday.

Q74. A company introduced new software and later reported that task speed improved. It concluded that new software caused the improvement. Which option most weakens the conclusion?

Q75. What is r? (1) 2r + s = 43 (2) s = 15

Q76. A company introduced air filters and later reported that employee sick days decreased. It concluded that air filters caused the improvement. Which option most weakens the conclusion?

Q78. Five numbers have an average of 36. If four of the numbers have a sum of 141, what is the fifth number?