Multiple Choice Questions on If 1 x 4 and 1 y 4 then find x y ........ for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

If 1 x 4 and 1 y 4 then find x y ........

Quantitative Aptitude (RRB NTPC) Algebra
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    If 1/x=4 and 1/y=4 ,then find (x+y) .

    11

    Incorrect Answer

    28

    Incorrect Answer

    11/28

    Correct Answer

    3

    Incorrect Answer
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    Explanation:
    x=1/4,  y=1/7
    (x+y)= 1/4+1/7=11/28

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