Multiple Choice Questions on If 30 men working 7 hours per day can finish a work in 15 days how long will 25 men work per da........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

If 30 men working 7 hours per day can finish a work in 15 days how long will 25 men work per da...........

Quantitative Aptitude (RRB NTPC) Time and work
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    If 30 men working 7 hours per day can finish a work in 15 days, how long  will 25 men work per day to finish the same work in 12 days.

    8

    Incorrect Answer

    10.5

    Correct Answer

    12.5

    Incorrect Answer

    15

    Incorrect Answer
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    Explanation:

    M1×D1×H1=M2×D2×H2
    30×15×7= 25×12×H2
    H2=(30*15*7)/(25*12)=10.5

    By: Barka Mirza
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