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    Question

    Some amount was divided among A, B and C in the ratio

    2:5:7. If the share of A is 45 less than share of C, then find the 1/3rd of total amount (in Rs).
    A 42 Correct Answer Incorrect Answer
    B 20 Correct Answer Incorrect Answer
    C 39 Correct Answer Incorrect Answer
    D 63 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    A : B : C = 2 : 5 : 7 A : B : C = 2x : 5x : 7x => A = C – 45 => 2x = 7x – 45 => x = 9 A + B + C = 2x + 5x + 7x = 14x = 14×9 = 126 => 1/3×126 = 42

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