Multiple Choice Questions on Twice the difference between two numbers is equal to their sum If one number is 15 find the other nu........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

Twice the difference between two numbers is equal to their sum If one number is 15 find the other nu...........

Quantitative Aptitude (RRB NTPC) Number System
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    Twice the difference between two numbers is equal to their sum. If one number is 15, find the other number.

    15

    Incorrect Answer

    10

    Incorrect Answer

    5

    Correct Answer

    20

    Incorrect Answer
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    Explanation:

     Let second number be X
    Given, 2(15-X)=X+15
    Or, 30-2X=X+15
    3X=15
    X=5

    By: Barka Mirza
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