Arithmetichard · Past Paper
If 8% of x = 4% of y, then 20% of x is:
A10% of y
B16% of y
C80% of y
DNone of these
✓ Correct Answer: A — 10% of y
8x = 4y => x = 0.5y. 20% of x = 0.2 * (0.5y) = 0.1y = 10% of y.
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