Arithmeticmedium · Past Paper

If 30% of $A = 40%$ of $B$, then $A:B$ is:

A4:3
B3:4
C7:3
D4:7

✓ Correct Answer: A4:3

0.3A = 0.4B => A/B = 0.4/0.3 = 4/3.

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