Multiple Choice Questions on The difference between two numbers is 9 and the difference between their squares is 207 The numbers ........... for SSC CGL Exam Preparation

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Multiple Choice Questions

The difference between two numbers is 9 and the difference between their squares is 207 The numbers ...........

Quantitative Aptitude (CGL) Number System
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    The difference between two numbers is 9 and the difference between their squares is 207. The numbers are

    17, 8

    Incorrect Answer

    16, 7

    Correct Answer

    15, 6

    Incorrect Answer

    23, 14

    Incorrect Answer
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    Explanation:

     Let number be x and y. then –
    x - y = 9; ---------(i.)
    x2 – y2 = 207; ----------(ii.)
    x + y= 23; ---------(iii.)
    solving eq.(i) and (iii), we get-
    x= 16 and y= 7;

    By: MIRZA SADDAM HUSSAIN
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