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    Question

    Rs. 4200 was divided between 'P', 'Q', 'R', and 'S' in the

    ratio 4:6:3:7, respectively. Later, 'Q' gave an amount that equals 60% of the average amount received by 'P' and 'S', to 'R'. Find the average amount remaining with 'P' and 'R' now.
    A Rs.2081.5 Correct Answer Incorrect Answer
    B Rs.1081.5 Correct Answer Incorrect Answer
    C Rs.2385.5 Correct Answer Incorrect Answer
    D Rs.4281.5 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Initial amount with 'P' = 4200 × (4/20) = Rs. 840

    Initial amount with 'R' = 4200 × (3/20) = Rs. 630

    Initial amount with 'S' = 4200 × (7/20) = Rs. 1470

    Amount given by 'Q' to 'R' = {(840 + 1470) ÷ 2} × 0.60 = 2310 ÷ 2 × 0.60 = 1155 × 0.60 = Rs. 693

    Final amount with 'R' = 630 + 693 = Rs. 1323

    Therefore, required average = (840 + 1323) ÷ 2 = Rs.1081.5

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