Multiple Choice Questions on If P Q 7 5 then what is the value of 5P 2Q 3P 2Q ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

If P Q 7 5 then what is the value of 5P 2Q 3P 2Q ........

Quant (SSC) Ratio, Proportion
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    If P : Q = 7 : 5, then what is the value of (5P - 2Q) : (3P + 2Q)

    5/4

    Incorrect Answer

    6/5

    Incorrect Answer

    25/31

    Correct Answer

    31/42

    Incorrect Answer
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    Explanation:

    Given, P/Q = 7/5
    ∴ (5P - 2Q) / (3P + 2Q)

    = (5 x 7 - 2 x 5) / (3 x 7 + 2 x 5)
    = (35 - 10) / (21 + 10)
    = 25/31

    Hence, option 3 is the correct answer.

    By: Amit Kumar
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