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    Question

    A certain number is to be subtracted from 90 and 72 to get

    the numbers in the ratio 5:4. What is the number?
    A 2 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 1 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the number be 'y'.

    (90 - y) : (72 - y) = 5 : 4

    → 4 × (90 - y) = 5 × (72 - y)

    → 360 - 4y = 360 - 5y

    → y = 0

    So, y = 0

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