Multiple Choice Questions on Raj can do a piece of work in 20 days and Rohan can do it in 12 days On which date will they co........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Raj can do a piece of work in 20 days and Rohan can do it in 12 days On which date will they co...........

Quant (SSC) Time and work
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    Raj can do a piece of work in 20 days and Rohan can do  it in 12 days. On which date will they complete the work, if they work together on prime number dates starting on 29th April?

    7th May

    Incorrect Answer

    17th May

    Correct Answer

    13th May

    Incorrect Answer

    23rd May

    Incorrect Answer
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    Explanation:
    Total work = 60 {LCM of 20, 12}
    A/day = 3; B/day = 5; together = 8/ days = No. of days = 7.5 days
    8th prime number date starting from 29th April
    29th April, 2nd May, 3rd May, 5th May, 7th May, 11th May, 13th May, 17th May

    By: Amit Kumar
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