Arithmeticmedium · Past Paper
If 40% of a number is equal to two-third of another number, what is the ratio of first number to second number?
A5:3
B3:5
C2:5
D7:3
✓ Correct Answer: A — 5:3
0.4x = (2/3)y => (2/5)x = (2/3)y => x/y = (2/3) / (2/5) = 5/3.
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