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    Question

    Meena has 72 marbles of two colours – green and

    yellow. If she buys 24 more green marbles, the ratio of green to yellow marbles becomes 5:3. Find the number of green marbles Meena initially had.
    A 40 Correct Answer Incorrect Answer
    B 30 Correct Answer Incorrect Answer
    C 42 Correct Answer Incorrect Answer
    D 36 Correct Answer Incorrect Answer

    Solution

    Let the number of green and yellow marbles with Meena after buying 24 more marbles be '5x' and '3x' respectively.  ATQ: 5x + 3x = 72 + 24 8x = 96 x = 12 Number of green marbles after buying = 5x = 5 × 12 = 60 Number of green marbles Meena initially had = 60 – 24 = 36

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