Multiple Choice Questions on What must be added to each term of the ratio 2 3 so that it may become equal to 4 5 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

What must be added to each term of the ratio 2 3 so that it may become equal to 4 5 ........

Quantitative Aptitude ( CCS) Ratio, Proportion
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    What must be added to each term of the ratio 2 : 3, so that it may become equal to 4 : 5?

    1

    Incorrect Answer

    3

    Incorrect Answer

    2

    Correct Answer

    4

    Incorrect Answer
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    Explanation:

    Correct option 3: 2

    Let the number to be added be x, then (2 + x) : (3 + x) = 4 : 5

    ⇒ (2 + x)/(3 + x) = 4/5

    5(2 + x) = 4(3 + x)

    10 + 5x = 12 + 4x

    5x - 4x = 12 - 10

    x = 2

    Hence answer is 2.

    By: Amit Kumar
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    SALIL

    What logic we are getting 2

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