Multiple Choice Questions on If three numbers in the ratio 3 2 5 be such that the sum of their squares is 1862 the middle number ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If three numbers in the ratio 3 2 5 be such that the sum of their squares is 1862 the middle number ...........

Quantitative Aptitude ( CCS) Ratio, Proportion
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    If three numbers in the ratio 3 : 2: 5 be such that the sum of their squares is 1862, the middle number will be

    10

    Incorrect Answer

    14

    Correct Answer

    18

    Incorrect Answer

    22

    Incorrect Answer
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    Explanation:

    Let the numbers be 3x, 2x and 5x.
    Then,
    9x + 4x + 25x =1862
    ⇒ 38x = 1862
    ⇒ x = 49 ⇒ x = 7.
    middle number = 2x = 14

    Hence, option 2 is the correct answer.

    By: Amit Kumar
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