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    Question

    Ram and Ali were assigned to do a work for an amount of

    Rs. 24,000. Ram alone can do it in 15 days while Ali can do it in 12 days. With the help of Shiven, they finish the work in 6 days. Find the share of Shiven ?
    A Rs. 2,400 Correct Answer Incorrect Answer
    B Rs. 1,900 Correct Answer Incorrect Answer
    C Rs. 3,800 Correct Answer Incorrect Answer
    D Cannot be determined Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    `1/15+1/12+1/(shiven)=1/6`  `=>1/(shiven)=1/6-(1/15+1/12)`  `=>1/(shiven)=1/6-9/60=1/60` Shiven will take 60 days to complete the work alone. Ratio of work done by Ram : Ali : Shiven = `1/15:1/12:+1/60`     =  5 : 4 : 1 Shiven’s share = `1/10` x 24000 = 2,400.

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