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 #161
A can complete a work in 23 days and B can complete the same work in 28 days. If they work together, in how many days will the work be completed?
A. 14.63
B. 12.63
C. 18.63
D. 16.63
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Correct Answer: Option B

Explanation:
Combined rate = 1/23 + 1/28. Time = 1 ÷ combined rate = 12.63 days.
This question belongs to: Maths Time and Work
Question #162
A can complete a work in 24 days and B can complete the same work in 29 days. If they work together, in how many days will the work be completed?
A. 19.13
B. 17.13
C. 15.13
D. 13.13
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Correct Answer: Option D

Explanation:
Combined rate = 1/24 + 1/29. Time = 1 ÷ combined rate = 13.13 days.
This question belongs to: Maths Time and Work
Question #163
A can complete a work in 10 days and B can complete the same work in 30 days. If they work together, in how many days will the work be completed?
A. 11.5
B. 13.5
C. 7.5
D. 9.5
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Correct Answer: Option C

Explanation:
Combined rate = 1/10 + 1/30. Time = 1 ÷ combined rate = 7.5 days.
This question belongs to: Maths Time and Work
Question #164
A can complete a work in 11 days and B can complete the same work in 31 days. If they work together, in how many days will the work be completed?
A. 10.12
B. 12.12
C. 8.12
D. 14.12
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Correct Answer: Option C

Explanation:
Combined rate = 1/11 + 1/31. Time = 1 ÷ combined rate = 8.12 days.
This question belongs to: Maths Time and Work
Question #165
A can complete a work in 12 days and B can complete the same work in 32 days. If they work together, in how many days will the work be completed?
A. 8.73
B. 10.73
C. 12.73
D. 14.73
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Correct Answer: Option A

Explanation:
Combined rate = 1/12 + 1/32. Time = 1 ÷ combined rate = 8.73 days.
This question belongs to: Maths Time and Work
Question #166
A can complete a work in 13 days and B can complete the same work in 33 days. If they work together, in how many days will the work be completed?
A. 13.33
B. 15.33
C. 11.33
D. 9.33
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Correct Answer: Option D

Explanation:
Combined rate = 1/13 + 1/33. Time = 1 ÷ combined rate = 9.33 days.
This question belongs to: Maths Time and Work
Question #167
A can complete a work in 14 days and B can complete the same work in 34 days. If they work together, in how many days will the work be completed?
A. 13.92
B. 11.92
C. 9.92
D. 15.92
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Correct Answer: Option C

Explanation:
Combined rate = 1/14 + 1/34. Time = 1 ÷ combined rate = 9.92 days.
This question belongs to: Maths Time and Work
Question #168
A can complete a work in 15 days and B can complete the same work in 15 days. If they work together, in how many days will the work be completed?
A. 11.5
B. 7.5
C. 9.5
D. 13.5
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Correct Answer: Option B

Explanation:
Combined rate = 1/15 + 1/15. Time = 1 ÷ combined rate = 7.5 days.
This question belongs to: Maths Time and Work
Question #169
A can complete a work in 16 days and B can complete the same work in 16 days. If they work together, in how many days will the work be completed?
A. 12.0
B. 8.0
C. 14.0
D. 10.0
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Correct Answer: Option B

Explanation:
Combined rate = 1/16 + 1/16. Time = 1 ÷ combined rate = 8.0 days.
This question belongs to: Maths Time and Work
Question #170
A can complete a work in 17 days and B can complete the same work in 17 days. If they work together, in how many days will the work be completed?
A. 10.5
B. 12.5
C. 14.5
D. 8.5
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Correct Answer: Option D

Explanation:
Combined rate = 1/17 + 1/17. Time = 1 ÷ combined rate = 8.5 days.
This question belongs to: Maths Time and Work
Question #171
A can complete a work in 18 days and B can complete the same work in 18 days. If they work together, in how many days will the work be completed?
A. 9.0
B. 13.0
C. 15.0
D. 11.0
Discuss
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Correct Answer: Option A

Explanation:
Combined rate = 1/18 + 1/18. Time = 1 ÷ combined rate = 9.0 days.
This question belongs to: Maths Time and Work
Question #172
A can complete a work in 19 days and B can complete the same work in 19 days. If they work together, in how many days will the work be completed?
A. 11.5
B. 9.5
C. 13.5
D. 15.5
Discuss
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Correct Answer: Option B

Explanation:
Combined rate = 1/19 + 1/19. Time = 1 ÷ combined rate = 9.5 days.
This question belongs to: Maths Time and Work
Question #173
A can complete a work in 20 days and B can complete the same work in 20 days. If they work together, in how many days will the work be completed?
A. 10.0
B. 12.0
C. 14.0
D. 16.0
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Correct Answer: Option A

Explanation:
Combined rate = 1/20 + 1/20. Time = 1 ÷ combined rate = 10.0 days.
This question belongs to: Maths Time and Work
Question #174
A can complete a work in 21 days and B can complete the same work in 21 days. If they work together, in how many days will the work be completed?
A. 16.5
B. 10.5
C. 14.5
D. 12.5
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Correct Answer: Option B

Explanation:
Combined rate = 1/21 + 1/21. Time = 1 ÷ combined rate = 10.5 days.
This question belongs to: Maths Time and Work
Question #175
A can complete a work in 22 days and B can complete the same work in 22 days. If they work together, in how many days will the work be completed?
A. 15.0
B. 17.0
C. 11.0
D. 13.0
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Correct Answer: Option C

Explanation:
Combined rate = 1/22 + 1/22. Time = 1 ÷ combined rate = 11.0 days.
This question belongs to: Maths Time and Work
Question #176
A can complete a work in 23 days and B can complete the same work in 23 days. If they work together, in how many days will the work be completed?
A. 17.5
B. 13.5
C. 15.5
D. 11.5
Discuss
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Correct Answer: Option D

Explanation:
Combined rate = 1/23 + 1/23. Time = 1 ÷ combined rate = 11.5 days.
This question belongs to: Maths Time and Work
Question #177
A can complete a work in 24 days and B can complete the same work in 24 days. If they work together, in how many days will the work be completed?
A. 16.0
B. 14.0
C. 18.0
D. 12.0
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Correct Answer: Option D

Explanation:
Combined rate = 1/24 + 1/24. Time = 1 ÷ combined rate = 12.0 days.
This question belongs to: Maths Time and Work
Question #178
A can complete a work in 10 days and B can complete the same work in 25 days. If they work together, in how many days will the work be completed?
A. 11.14
B. 9.14
C. 7.14
D. 13.14
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Correct Answer: Option C

Explanation:
Combined rate = 1/10 + 1/25. Time = 1 ÷ combined rate = 7.14 days.
This question belongs to: Maths Time and Work
Question #179
A can complete a work in 11 days and B can complete the same work in 26 days. If they work together, in how many days will the work be completed?
A. 11.73
B. 7.73
C. 13.73
D. 9.73
Discuss
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Correct Answer: Option B

Explanation:
Combined rate = 1/11 + 1/26. Time = 1 ÷ combined rate = 7.73 days.
This question belongs to: Maths Time and Work
Question #180
A can complete a work in 12 days and B can complete the same work in 27 days. If they work together, in how many days will the work be completed?
A. 10.31
B. 8.31
C. 12.31
D. 14.31
Discuss
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Correct Answer: Option B

Explanation:
Combined rate = 1/12 + 1/27. Time = 1 ÷ combined rate = 8.31 days.
This question belongs to: Maths Time and Work

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