Arithmeticmedium · Past Paper
If 10% of x is equal to 20% of y, then x:y is:
A1:2
B2:1
C1:1
D4:1
✓ Correct Answer: B — 2:1
0.1x = 0.2y => x/y = 0.2/0.1 = 2/1. Thus x:y = 2:1.
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