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    Question

    The ratio of number of balls in bags A & B is 3:4.

    Seven Balls are taken from bag B and are dropped in bag A, number of balls are equal in each bag now. Number of balls in each bag now is
    A 56 Correct Answer Incorrect Answer
    B 81 Correct Answer Incorrect Answer
    C 64 Correct Answer Incorrect Answer
    D 25 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬аA ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬аB Number of balls ┬а ┬а ┬а ┬а 3 ┬а ┬а ┬а ┬а ┬а: ┬а ┬а ┬а ┬а ┬а ┬а4 Let bag A have 3x balls and bag B have 4x balls Now 7 balls are taken out of bag тАШBтАЩ and put in bag тАШAтАЩ (3x+7)/(4x-7) = 1/1 3x+7=4x-7┬а x = 14 Bag A = 3 ├Ч 14 + 7 = 49 Bag B = 4 ├Ч 14 тАУ 7 = 49

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