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Discussion :: Percentage

  1. If 20% of a = b, then b% of 20 is the same as:

  2. A.

    4% of a

    B.

    5% of a

    C.

    20% of a

    D.

    None of these

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    Answer : Option A

    Explanation :

     


    20% of a=b \(\frac {20 } { 100 } \) a=b


     a = 4% of a.b% of 20% = \([ \frac { b } { 100 } \times20]\) =[ \(\frac {20 } { 100 } \) a  X  \( \frac { 1 } { 100 } \)X 20] = \( \frac { 4} { 100 } \)


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