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 #281
A can complete a work in 10 days and B in 27 days. If they work together, the work will be completed in:
A. 17.3
B. 12.3
C. 7.3
D. 22.3

Correct Answer: Option C


Explanation:
Combined rate = 1/10 + 1/27. Required time = 7.3 days.

This question belongs to: Maths Time and Work
Question #282
19 men can complete a work in 26 days. If 24 men work at the same rate, the work will be completed in:
A. 20.58
B. 30.58
C. 35.58
D. 25.58

Correct Answer: Option A


Explanation:
Total work = 494 man-days. Time = 494/24 = 20.58 days.

This question belongs to: Maths Time and Work
Question #283
A can complete a work in 14 days and B in 12 days. If they work together, the work will be completed in:
A. 11.46
B. 6.46
C. 16.46
D. 21.46

Correct Answer: Option B


Explanation:
Combined rate = 1/14 + 1/12. Required time = 6.46 days.

This question belongs to: Maths Time and Work
Question #284
23 men can complete a work in 30 days. If 28 men work at the same rate, the work will be completed in:
A. 39.64
B. 34.64
C. 24.64
D. 29.64

Correct Answer: Option C


Explanation:
Total work = 690 man-days. Time = 690/28 = 24.64 days.

This question belongs to: Maths Time and Work
Question #285
A can complete a work in 18 days and B in 16 days. If they work together, the work will be completed in:
A. 23.47
B. 8.47
C. 18.47
D. 13.47

Correct Answer: Option B


Explanation:
Combined rate = 1/18 + 1/16. Required time = 8.47 days.

This question belongs to: Maths Time and Work
Question #286
A can complete a work in 22 days and B in 20 days. If they work together, the work will be completed in:
A. 25.48
B. 20.48
C. 10.48
D. 15.48

Correct Answer: Option C


Explanation:
Combined rate = 1/22 + 1/20. Required time = 10.48 days.

This question belongs to: Maths Time and Work
Question #287
A can complete a work in 9 days and B in 24 days. If they work together, the work will be completed in:
A. 6.55
B. 11.55
C. 21.55
D. 16.55

Correct Answer: Option A


Explanation:
Combined rate = 1/9 + 1/24. Required time = 6.55 days.

This question belongs to: Maths Time and Work
Question #288
A can complete a work in 13 days and B in 28 days. If they work together, the work will be completed in:
A. 18.88
B. 8.88
C. 23.88
D. 13.88

Correct Answer: Option B


Explanation:
Combined rate = 1/13 + 1/28. Required time = 8.88 days.

This question belongs to: Maths Time and Work
Question #289
A can complete a work in 17 days and B in 13 days. If they work together, the work will be completed in:
A. 17.37
B. 22.37
C. 7.37
D. 12.37

Correct Answer: Option C


Explanation:
Combined rate = 1/17 + 1/13. Required time = 7.37 days.

This question belongs to: Maths Time and Work
Question #290
A can complete a work in 21 days and B in 17 days. If they work together, the work will be completed in:
A. 14.39
B. 24.39
C. 9.39
D. 19.39

Correct Answer: Option C


Explanation:
Combined rate = 1/21 + 1/17. Required time = 9.39 days.

This question belongs to: Maths Time and Work
Question #291
A can complete a work in 8 days and B in 21 days. If they work together, the work will be completed in:
A. 20.79
B. 10.79
C. 15.79
D. 5.79

Correct Answer: Option D


Explanation:
Combined rate = 1/8 + 1/21. Required time = 5.79 days.

This question belongs to: Maths Time and Work
Question #292
A can complete a work in 12 days and B in 25 days. If they work together, the work will be completed in:
A. 8.11
B. 13.11
C. 23.11
D. 18.11

Correct Answer: Option A


Explanation:
Combined rate = 1/12 + 1/25. Required time = 8.11 days.

This question belongs to: Maths Time and Work
Question #293
A can complete a work in 16 days and B in 29 days. If they work together, the work will be completed in:
A. 15.31
B. 10.31
C. 20.31
D. 25.31

Correct Answer: Option B


Explanation:
Combined rate = 1/16 + 1/29. Required time = 10.31 days.

This question belongs to: Maths Time and Work
Question #294
A can complete a work in 20 days and B in 14 days. If they work together, the work will be completed in:
A. 23.24
B. 13.24
C. 8.24
D. 18.24

Correct Answer: Option C


Explanation:
Combined rate = 1/20 + 1/14. Required time = 8.24 days.

This question belongs to: Maths Time and Work
Question #295
A can complete a work in 24 days and B in 18 days. If they work together, the work will be completed in:
A. 15.29
B. 25.29
C. 10.29
D. 20.29

Correct Answer: Option C


Explanation:
Combined rate = 1/24 + 1/18. Required time = 10.29 days.

This question belongs to: Maths Time and Work
Question #296
A can complete a work in 11 days and B in 22 days. If they work together, the work will be completed in:
A. 17.33
B. 12.33
C. 22.33
D. 7.33

Correct Answer: Option D


Explanation:
Combined rate = 1/11 + 1/22. Required time = 7.33 days.

This question belongs to: Maths Time and Work
Question #297
A can complete a work in 15 days and B in 26 days. If they work together, the work will be completed in:
A. 24.51
B. 19.51
C. 14.51
D. 9.51

Correct Answer: Option D


Explanation:
Combined rate = 1/15 + 1/26. Required time = 9.51 days.

This question belongs to: Maths Time and Work
Question #298
A can complete a work in 19 days and B in 30 days. If they work together, the work will be completed in:
A. 26.63
B. 16.63
C. 11.63
D. 21.63

Correct Answer: Option C


Explanation:
Combined rate = 1/19 + 1/30. Required time = 11.63 days.

This question belongs to: Maths Time and Work
Question #299
A can complete a work in 23 days and B in 15 days. If they work together, the work will be completed in:
A. 19.08
B. 24.08
C. 14.08
D. 9.08

Correct Answer: Option D


Explanation:
Combined rate = 1/23 + 1/15. Required time = 9.08 days.

This question belongs to: Maths Time and Work
Question #300
A can complete a work in 10 days and B in 19 days. If they work together, the work will be completed in:
A. 21.55
B. 11.55
C. 6.55
D. 16.55

Correct Answer: Option C


Explanation:
Combined rate = 1/10 + 1/19. Required time = 6.55 days.

This question belongs to: Maths Time and Work