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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Question #361
19 men can complete a work in 32 days. If 27 men work at the same rate, how many days are required?
A. 25.02
B. 22.52
C. 30.02
D. 27.52
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Correct Answer: Option B

Explanation:
Total work = 608 man-days. Days = 22.52.
This question belongs to: Maths Time and Work
Question #362
A and B work together. A alone can complete the work in 24 days and B alone in 36 days. What percentage of the total daily work is contributed by A?
A. 60.0
B. 67.5
C. 65.0
D. 62.5
Discuss
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Correct Answer: Option A

Explanation:
A share = (1/24) / (1/24+1/36) ×100 = 60.0%.
This question belongs to: Maths Time and Work
Question #363
A can do a work in 13 days and B in 23 days. In how many days will they complete 75% of the work together?
A. 6.23
B. 11.23
C. 8.73
D. 13.73
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Correct Answer: Option A

Explanation:
Combined time for full work multiplied by 0.75 = 6.23 days.
This question belongs to: Maths Time and Work
Question #364
A can complete a work in 14 days and B in 37 days. If both work together, in how many days will the work be completed?
A. 12.66
B. 10.16
C. 15.16
D. 17.66
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Correct Answer: Option B

Explanation:
Combined rate = 1/14 + 1/37. Time = 10.16 days.
This question belongs to: Maths Time and Work
Question #365
A can complete a work in 25 days and B in 50 days. After working together for 5 days, what percentage of work remains?
A. 70.0
B. 72.5
C. 75.0
D. 77.5
Discuss
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Correct Answer: Option A

Explanation:
Remaining work = (1 - 5*(1/25+1/50))×100 = 70.0%.
This question belongs to: Maths Time and Work
Question #366
25 men can complete a work in 23 days. If 33 men work at the same rate, how many days are required?
A. 22.42
B. 19.92
C. 24.92
D. 17.42
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Correct Answer: Option D

Explanation:
Total work = 575 man-days. Days = 17.42.
This question belongs to: Maths Time and Work
Question #367
A and B work together. A alone can complete the work in 30 days and B alone in 26 days. What percentage of the total daily work is contributed by A?
A. 46.43
B. 53.93
C. 48.93
D. 51.43
Discuss
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Correct Answer: Option A

Explanation:
A share = (1/30) / (1/30+1/26) ×100 = 46.43%.
This question belongs to: Maths Time and Work
Question #368
A can do a work in 19 days and B in 29 days. In how many days will they complete 75% of the work together?
A. 16.11
B. 11.11
C. 13.61
D. 8.61
Discuss
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Correct Answer: Option D

Explanation:
Combined time for full work multiplied by 0.75 = 8.61 days.
This question belongs to: Maths Time and Work
Question #369
A can complete a work in 20 days and B in 43 days. If both work together, in how many days will the work be completed?
A. 21.15
B. 13.65
C. 18.65
D. 16.15
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Correct Answer: Option B

Explanation:
Combined rate = 1/20 + 1/43. Time = 13.65 days.
This question belongs to: Maths Time and Work
Question #370
A can complete a work in 14 days and B in 28 days. After working together for 5 days, what percentage of work remains?
A. 46.43
B. 53.93
C. 48.93
D. 51.43
Discuss
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Correct Answer: Option A

Explanation:
Remaining work = (1 - 5*(1/14+1/28))×100 = 46.43%.
This question belongs to: Maths Time and Work
Question #371
31 men can complete a work in 29 days. If 39 men work at the same rate, how many days are required?
A. 23.05
B. 30.55
C. 28.05
D. 25.55
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Correct Answer: Option A

Explanation:
Total work = 899 man-days. Days = 23.05.
This question belongs to: Maths Time and Work
Question #372
A and B work together. A alone can complete the work in 18 days and B alone in 32 days. What percentage of the total daily work is contributed by A?
A. 64.0
B. 66.5
C. 69.0
D. 71.5
Discuss
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Correct Answer: Option A

Explanation:
A share = (1/18) / (1/18+1/32) ×100 = 64.0%.
This question belongs to: Maths Time and Work
Question #373
A can do a work in 11 days and B in 17 days. In how many days will they complete 75% of the work together?
A. 7.51
B. 10.01
C. 12.51
D. 5.01
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Correct Answer: Option D

Explanation:
Combined time for full work multiplied by 0.75 = 5.01 days.
This question belongs to: Maths Time and Work
Question #374
A can complete a work in 26 days and B in 20 days. If both work together, in how many days will the work be completed?
A. 16.3
B. 13.8
C. 18.8
D. 11.3
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Correct Answer: Option D

Explanation:
Combined rate = 1/26 + 1/20. Time = 11.3 days.
This question belongs to: Maths Time and Work
Question #375
A can complete a work in 20 days and B in 40 days. After working together for 5 days, what percentage of work remains?
A. 67.5
B. 62.5
C. 65.0
D. 70.0
Discuss
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Correct Answer: Option B

Explanation:
Remaining work = (1 - 5*(1/20+1/40))×100 = 62.5%.
This question belongs to: Maths Time and Work
Question #376
A and B work together. A alone can complete the work in 24 days and B alone in 22 days. What percentage of the total daily work is contributed by A?
A. 47.83
B. 52.83
C. 50.33
D. 55.33
Discuss
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Correct Answer: Option A

Explanation:
A share = (1/24) / (1/24+1/22) ×100 = 47.83%.
This question belongs to: Maths Time and Work
Question #377
A can do a work in 17 days and B in 23 days. In how many days will they complete 75% of the work together?
A. 14.83
B. 9.83
C. 7.33
D. 12.33
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Correct Answer: Option C

Explanation:
Combined time for full work multiplied by 0.75 = 7.33 days.
This question belongs to: Maths Time and Work
Question #378
A can complete a work in 32 days and B in 26 days. If both work together, in how many days will the work be completed?
A. 14.34
B. 19.34
C. 16.84
D. 21.84
Discuss
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Correct Answer: Option A

Explanation:
Combined rate = 1/32 + 1/26. Time = 14.34 days.
This question belongs to: Maths Time and Work
Question #379
A can complete a work in 26 days and B in 52 days. After working together for 5 days, what percentage of work remains?
A. 78.65
B. 73.65
C. 71.15
D. 76.15
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Correct Answer: Option C

Explanation:
Remaining work = (1 - 5*(1/26+1/52))×100 = 71.15%.
This question belongs to: Maths Time and Work
Question #380
A and B work together. A alone can complete the work in 30 days and B alone in 28 days. What percentage of the total daily work is contributed by A?
A. 55.78
B. 50.78
C. 53.28
D. 48.28
Discuss
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Correct Answer: Option D

Explanation:
A share = (1/30) / (1/30+1/28) ×100 = 48.28%.
This question belongs to: Maths Time and Work

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