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    Question

    The ratio of two natural numbers 'u' and 'v' is 3:4,

    respectively. When 12 is added to 'u' and 8 is subtracted from 'v', the ratio of 'u' to 'v' becomes 5:4. Find the square of the difference between the two numbers.
    A 112 Correct Answer Incorrect Answer
    B 111 Correct Answer Incorrect Answer
    C 121 Correct Answer Incorrect Answer
    D 221 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the values of 'u' and 'v' be '3a' and '4a', respectively. ATQ, Required square of difference between two numbers:

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