Multiple Choice Questions on If m of m n of n 2 of m times n then what percentage of m is n ........ for CDS Exam Preparation

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Multiple Choice Questions

If m of m n of n 2 of m times n then what percentage of m is n ........

Quantitative Aptitude (CDS) Percentage
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    If m% of m + n% of n= 2% of (m×n) then what percentage of m is n?

    50%

    Incorrect Answer

    75%

    Incorrect Answer

    100%

    Correct Answer

    cannot be determined

    Incorrect Answer
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    Explanation:

    m% of m + n% of n% = 2% of (m×n)
    ⇒ ( m/100) ×m + ( n/100) ×n = ( 2/100) ×mn
    ⇒m2 + n2 = 2mn
    ⇒m2 + n2 − 2mn = 0
    ⇒ m − n = 0
    ⇒ m = n

    so m is 100% of n

    By: Munesh Kumari
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