Multiple Choice Questions on The product of two numbers is 120 The sum of their squares is 289 The sum of the two numbers is ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

The product of two numbers is 120 The sum of their squares is 289 The sum of the two numbers is ........

Quantitative Aptitude ( CCS) Number System
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    The product of two numbers is 120. The sum of their squares is 289. The sum of the two numbers is

    20

    Incorrect Answer

    23

    Correct Answer

    169

    Incorrect Answer

    none of these

    Incorrect Answer
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    Explanation:

    Let the numbers be x and y.

    Then, xy = 120 and x2 + y2 = 289.

     (x + y)2 = x2 + y2 + 2xy = 289 + (2 x 120) = 529

     x + y = √529 = 23.

    Hence, option 2 is the correct answer.

    By: MIRZA SADDAM HUSSAIN
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