Arithmeticmedium · Past Paper
If 20% of a = b, then b% of 20 is the same as:
A4% of a
B5% of a
C20% of a
DNone of these
✓ Correct Answer: A — 4% of a
b = 0.2a. b% of 20 = (b/100) * 20 = (0.2a / 100) * 20 = (4a / 100) = 4% of a.
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