Multiple Choice Questions on If A B 2 3 B C 5 7 and C D 3 10 then what is A D equal to ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

If A B 2 3 B C 5 7 and C D 3 10 then what is A D equal to ........

Quant (SSC) Ratio, Proportion
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    If A : B = 2 : 3, B : C = 5 : 7 and C : D = 3 : 10, then what is A : D equal to?

    1 : 7

    Correct Answer

    2 : 7

    Incorrect Answer

    1 : 5

    Incorrect Answer

    5 : 1

    Incorrect Answer
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    Explanation:

    Given A : B = 2 : 3, B : C
    = 5 : 7 and C : D = 3 : 10
    ∴ A/D = A/B x B/C x C/D
    = 2 /3 x 5/7 x 3/10 = 1/7
    ∴   A : D = 1 : 7

    By: Amit Kumar
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