15 men can complete a work in 13 days. If 19 men work at the same rate, in how many days will the work be completed? MCQ with Answer and Explanation
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Question #1
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A can complete a work in 34 days and B in 38 days. If both work together, in how many days will the work be completed?
Correct Answer: Option D
Explanation:
Combined rate = 1/34 + 1/38. Time = 17.94 days.
Combined rate = 1/34 + 1/38. Time = 17.94 days.
This question belongs to:
Maths
Time and Work
Question #2
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10 men can complete a work in 26 days. If 14 men work at the same rate, in how many days will the work be completed?
Correct Answer: Option A
Explanation:
Total work = 10 × 26 = 260 man-days. Required days = 260/14 = 18.57 days.
Total work = 10 × 26 = 260 man-days. Required days = 260/14 = 18.57 days.
This question belongs to:
Maths
Time and Work
Question #3
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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?
Correct Answer: Option A
Explanation:
A share = (1/30) / (1/30+1/26) ×100 = 46.43%.
A share = (1/30) / (1/30+1/26) ×100 = 46.43%.
This question belongs to:
Maths
Time and Work
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