Question

    Ravi alone can complete a job in 10 days and Sunil alone

    can do the same job in 20 days. If they complete the job together and earn Rs. 12,000, how much will Sunil get?
    A Rs.5265 Correct Answer Incorrect Answer
    B Rs.4000 Correct Answer Incorrect Answer
    C Rs.6325 Correct Answer Incorrect Answer
    D Rs.5445 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the total work be 20 units (LCM of 10 and 20)

    Efficiency of Ravi = 20/10 = 2 units/day

    Efficiency of Sunil = 20/20 = 1 unit/day

    Total efficiency = 2 + 1 = 3 units/day

    Required amount that Sunil will get = 12,000 × (1/3) = Rs. 4,000

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