Multiple Choice Questions on If 8 men and 3 boys working together can do four times as much work per hour as a man and a boy toge........... for Bihar civil service (BPSC) Preparation

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Multiple Choice Questions

If 8 men and 3 boys working together can do four times as much work per hour as a man and a boy toge...........

Quantitative Aptitude (CSC) Time and work
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    If 8 men and 3 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 boy and that of a man for a given time ?

    2:3

    Incorrect Answer

    3:2

    Incorrect Answer

    4:1

    Correct Answer

    1:4

    Incorrect Answer
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    Explanation:

    8M+3B=4(1M+1B)
    8M+3B=4M+4B
    4M=B
    B:M=4:1

    Hence, option 3 is the correct answer.

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