Multiple Choice Questions on If x y z are three such sums of money that y is the simple interest on x and z is the simple interes........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If x y z are three such sums of money that y is the simple interest on x and z is the simple interes...........

Quant (SSC) Simple Interest
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    If x, y, z are three such sums of money that y is the simple interest on x and z is the simple interest on y for the same time and at the same rate of interest, then we have

    z2 = xy

    Incorrect Answer

    xyz = 1

    Incorrect Answer

    x2 = yz

    Incorrect Answer

    y2 = zx

    Correct Answer
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    Explanation:

    S.I. = P × R × T /100
    ∴ y = x × R × T /100 ......i
    ∴ z = y × R × T /100 ......ii
    On dividing eqn (i) by (ii) we get,
    ∴ y/z = x/y
    ⇒  y2 = zx

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