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    Question

    Ramesh has 120 story books of two genres – fiction and

    non-fiction. If he buys 24 more fiction books, the ratio of fiction to non-fiction books becomes 7:5. Find the number of fiction books Ramesh initially had.
    A 60 Correct Answer Incorrect Answer
    B 72 Correct Answer Incorrect Answer
    C 66 Correct Answer Incorrect Answer
    D 64 Correct Answer Incorrect Answer

    Solution

    Let the number of fiction and non-fiction books after buying 24 more be '7x' and '5x' respectively.  ATQ: 7x + 5x = 120 + 24 12x = 144 x = 12 Number of fiction books after buying = 7x = 7 × 12 = 84 Number of fiction books initially = 84 – 24 = 60

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