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    Question

    If β€˜X’, β€˜Y’ and β€˜Z’ are in proportion and X

    = 45, Y = 60, then find the value of Z.
    A 65 Correct Answer Incorrect Answer
    B 80 Correct Answer Incorrect Answer
    C 47 Correct Answer Incorrect Answer
    D 95 Correct Answer Incorrect Answer

    Solution

    ATQ, Given, X = 45 And, Y = 60 Since, X, Y and Z are in proportion. So, (X/Y) = (Y/Z) So, Z = (60 Γ— 60)/45 = 80

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