Multiple Choice Questions on The product of two numbers is 24 and the sum of their squares is 52 Find their sum ........ for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

The product of two numbers is 24 and the sum of their squares is 52 Find their sum ........

Quantitative Aptitude (RRB NTPC) Number System
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    The product of two numbers is 24 and the sum of their squares is 52. Find their sum.

    5

    Incorrect Answer

    10

    Correct Answer

    15

    Incorrect Answer

    20

    Incorrect Answer
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    Explanation:
    Let the two numbers be x and y
    xy = 24
    2xy = 48x
    2 + y2 = 52
    (x + y)2 = x2 + y2 + 2xy = 52 + 48 = 100
    x + y = 10

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