Percentage - Arithmetic Aptitude Questions and Answers

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

4% of a

5% of a

20% of a

None of these

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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