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Question
If 20% of X is Y, then Y% of 20 is?
A
4 % of X.
B
14 % of X.
C
34 % of X.
D
24 % of X.
Soln.
Ans: a
Ans: a
We have Y = $(20 × X)/100$, so Y% of 20 is same as $(20 × X)/100$% × 20, which can be rearranged to $(20 × 20)/100$% × X = 4% of X.