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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