Multiple Choice Questions on 15 men take 20 days to complete a job working 8 hours a day The number of hours a day should 20 men ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

15 men take 20 days to complete a job working 8 hours a day The number of hours a day should 20 men ...........

Quant (SSC) Time and work
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    15 men take 20 days to complete a job working 8 hours a day. The number of hours a day should 20 men take to complete the job in 12 days

    5 hrs

    Incorrect Answer

    10 hrs

    Correct Answer

    15 hrs

    Incorrect Answer

    18 hrs

    Incorrect Answer
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    Explanation:

    M1D1T1 = M2D2T2
    ⇒  15 × 20 × 8 = 20 × 12 × T2
    ⇒  T2 = 15 × 20 × 8 /20 x 12 = 10 hours

    By: Amit Kumar
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