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Percentage - General Aptitude

Q1:

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

A 4% of a

B 5% of a

C 20% of a

D None of these

ANS:A - 4% of a

20% of a = b       20 a = b.
100
 b% of 20 = b x 20 = 20 a x 1 x 20 = 4 a = 4% of a.
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