Time and Work MCQs

Maths

Time and Work MCQs

Practice Time and Work MCQs with answers and detailed solutions. Learn work efficiency, pipes and cisterns, men and women work problems, partnership, wages, productivity and advanced aptitude questions commonly asked in competitive exams.

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Practice Questions

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Question #241
9 men can complete a work in 19 days. If 13 men work at the same rate, in how many days will the work be completed?
A. 13.15
B. 15.15
C. 19.15
D. 17.15
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Correct Answer: Option A

Explanation:
Total work = 9 × 19 = 171 man-days. Required days = 171/13 = 13.15 days.
This question belongs to: Maths Time and Work
Question #242
10 men can complete a work in 20 days. If 14 men work at the same rate, in how many days will the work be completed?
A. 14.29
B. 20.29
C. 18.29
D. 16.29
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Correct Answer: Option A

Explanation:
Total work = 10 × 20 = 200 man-days. Required days = 200/14 = 14.29 days.
This question belongs to: Maths Time and Work
Question #243
11 men can complete a work in 21 days. If 15 men work at the same rate, in how many days will the work be completed?
A. 19.4
B. 21.4
C. 15.4
D. 17.4
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Correct Answer: Option C

Explanation:
Total work = 11 × 21 = 231 man-days. Required days = 231/15 = 15.4 days.
This question belongs to: Maths Time and Work
Question #244
12 men can complete a work in 22 days. If 16 men work at the same rate, in how many days will the work be completed?
A. 16.5
B. 22.5
C. 20.5
D. 18.5
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Correct Answer: Option A

Explanation:
Total work = 12 × 22 = 264 man-days. Required days = 264/16 = 16.5 days.
This question belongs to: Maths Time and Work
Question #245
A can complete a work in 9 days and B in 13 days. If they work together, the work will be completed in:
A. 20.32
B. 5.32
C. 10.32
D. 15.32
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Correct Answer: Option B

Explanation:
Combined rate = 1/9 + 1/13. Required time = 5.32 days.
This question belongs to: Maths Time and Work
Question #246
12 men can complete a work in 14 days. If 17 men work at the same rate, the work will be completed in:
A. 14.88
B. 19.88
C. 9.88
D. 24.88
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Correct Answer: Option C

Explanation:
Total work = 168 man-days. Time = 168/17 = 9.88 days.
This question belongs to: Maths Time and Work
Question #247
A can complete a work in 18 days. What percentage of work will A complete in 6 days?
A. 38.33
B. 43.33
C. 33.33
D. 48.33
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Correct Answer: Option C

Explanation:
Percentage completed = (6/18) × 100 = 33.33%.
This question belongs to: Maths Time and Work
Question #248
A can do a work in 14 days and B in 24 days. They work together for 5 days. What percentage of work remains?
A. 43.45
B. 58.45
C. 48.45
D. 53.45
Discuss
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Correct Answer: Option A

Explanation:
Remaining work = (1 - 5*(1/14+1/24)) ×100 = 43.45%.
This question belongs to: Maths Time and Work
Question #249
A can complete a work in 13 days and B in 17 days. If they work together, the work will be completed in:
A. 22.37
B. 17.37
C. 7.37
D. 12.37
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Correct Answer: Option C

Explanation:
Combined rate = 1/13 + 1/17. Required time = 7.37 days.
This question belongs to: Maths Time and Work
Question #250
16 men can complete a work in 18 days. If 21 men work at the same rate, the work will be completed in:
A. 18.71
B. 13.71
C. 28.71
D. 23.71
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Correct Answer: Option B

Explanation:
Total work = 288 man-days. Time = 288/21 = 13.71 days.
This question belongs to: Maths Time and Work
Question #251
A can complete a work in 22 days. What percentage of work will A complete in 6 days?
A. 42.27
B. 37.27
C. 27.27
D. 32.27
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Correct Answer: Option C

Explanation:
Percentage completed = (6/22) × 100 = 27.27%.
This question belongs to: Maths Time and Work
Question #252
A can do a work in 18 days and B in 28 days. They work together for 5 days. What percentage of work remains?
A. 59.37
B. 69.37
C. 64.37
D. 54.37
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Correct Answer: Option D

Explanation:
Remaining work = (1 - 5*(1/18+1/28)) ×100 = 54.37%.
This question belongs to: Maths Time and Work
Question #253
A can complete a work in 17 days and B in 21 days. If they work together, the work will be completed in:
A. 19.39
B. 14.39
C. 24.39
D. 9.39
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Correct Answer: Option D

Explanation:
Combined rate = 1/17 + 1/21. Required time = 9.39 days.
This question belongs to: Maths Time and Work
Question #254
20 men can complete a work in 22 days. If 25 men work at the same rate, the work will be completed in:
A. 27.6
B. 17.6
C. 32.6
D. 22.6
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Correct Answer: Option B

Explanation:
Total work = 440 man-days. Time = 440/25 = 17.6 days.
This question belongs to: Maths Time and Work
Question #255
A can complete a work in 26 days. What percentage of work will A complete in 6 days?
A. 33.08
B. 38.08
C. 28.08
D. 23.08
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Correct Answer: Option D

Explanation:
Percentage completed = (6/26) × 100 = 23.08%.
This question belongs to: Maths Time and Work
Question #256
A can do a work in 12 days and B in 22 days. They work together for 5 days. What percentage of work remains?
A. 35.61
B. 40.61
C. 45.61
D. 50.61
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Correct Answer: Option A

Explanation:
Remaining work = (1 - 5*(1/12+1/22)) ×100 = 35.61%.
This question belongs to: Maths Time and Work
Question #257
A can complete a work in 21 days and B in 25 days. If they work together, the work will be completed in:
A. 16.41
B. 26.41
C. 21.41
D. 11.41
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Correct Answer: Option D

Explanation:
Combined rate = 1/21 + 1/25. Required time = 11.41 days.
This question belongs to: Maths Time and Work
Question #258
24 men can complete a work in 26 days. If 29 men work at the same rate, the work will be completed in:
A. 31.52
B. 36.52
C. 21.52
D. 26.52
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Correct Answer: Option C

Explanation:
Total work = 624 man-days. Time = 624/29 = 21.52 days.
This question belongs to: Maths Time and Work
Question #259
A can complete a work in 30 days. What percentage of work will A complete in 6 days?
A. 35.0
B. 20.0
C. 25.0
D. 30.0
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Correct Answer: Option B

Explanation:
Percentage completed = (6/30) × 100 = 20.0%.
This question belongs to: Maths Time and Work
Question #260
A can do a work in 16 days and B in 26 days. They work together for 5 days. What percentage of work remains?
A. 59.52
B. 54.52
C. 49.52
D. 64.52
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Correct Answer: Option C

Explanation:
Remaining work = (1 - 5*(1/16+1/26)) ×100 = 49.52%.
This question belongs to: Maths Time and Work

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