Answer : 4 2:1 Explanation : Answer: D) 2:1 Explanation: 5M 2B = 4(1M 1B)5M 2B = 4M 4B1M = 2BThe required ratio of work done by a man and a boy = 2:1

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If 5 men and 2 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time ?

Answer : 4 2:1 Explanation : Answer: D) 2:1 Explanation: 5M 2B = 4(1M 1B)5M 2B = 4M 4B1M = 2BThe required ratio of work done by a man and a boy = 2:1

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