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    Question

    β€˜x’ varies directly as β€˜y’. If at x = 24 the

    value of β€˜y’ is 25% more than β€˜x’, then find the value of β€˜x’ when β€˜y’ = 55.
    A 56 Correct Answer Incorrect Answer
    B 44 Correct Answer Incorrect Answer
    C 40 Correct Answer Incorrect Answer
    D 36 Correct Answer Incorrect Answer

    Solution

    ATQ; X = k Γ— y (Where β€˜k’ is proportionality constant) ATQ; 24 = k Γ— (1.25 Γ— 24) Or, k = (4/5) So, required value = (4/5) Γ— 55 = 44

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