17 men can complete a work in 14 days. If 22 men work at the same rate, the work will be completed in: MCQ with Answer and Explanation
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Question #1
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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?
Correct Answer: Option A
Explanation:
A share = (1/24) / (1/24+1/36) ×100 = 60.0%.
A share = (1/24) / (1/24+1/36) ×100 = 60.0%.
This question belongs to:
Maths
Time and Work
Question #2
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A factory produces 6000 toys in 12 days working 8 hours a day. How many toys can it produce in 15 days working 6 hours a day?
Correct Answer: Option C
Explanation:
Using (D1 * H1) / W1 = (D2 * H2) / W2: (12 * 8) / 6000 = (15 * 6) / W2 => 96 / 6000 = 90 / W2 => W2 = (90 * 6000) / 96 = 540000 / 96 = 5625 toys.
Using (D1 * H1) / W1 = (D2 * H2) / W2: (12 * 8) / 6000 = (15 * 6) / W2 => 96 / 6000 = 90 / W2 => W2 = (90 * 6000) / 96 = 540000 / 96 = 5625 toys.
This question belongs to:
Maths
Time and Work
Question #3
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A can complete a work in 17 days and B in 22 days. If both work together, in how many days will the work be completed?
Correct Answer: Option A
Explanation:
Combined rate = 1/17 + 1/22. Time = 9.59 days.
Combined rate = 1/17 + 1/22. Time = 9.59 days.
This question belongs to:
Maths
Time and Work
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