Question

    The ratio of science books to literature books in a library

    is 7:6. If the number of science books was 28 fewer and literature books 14 more, then the numbers would be equal. Find the original number of literature
    A 125 Correct Answer Incorrect Answer
    B 173 Correct Answer Incorrect Answer
    C 252 Correct Answer Incorrect Answer
    D 100 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the number of science and literature books be '7n' and '6n', respectively.

    So, 7n - 28 = 6n + 14

    Or, 'n' = 42

    Therefore, number of literature books = 42 × 6 = 252

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