Arithmeticmedium · Past Paper
The ages of A and B are in the ratio 3:1. After 15 years, the ratio will be 2:1. Find their present ages.
A45, 15
B30, 10
C60, 20
D21, 7
✓ Correct Answer: A — 45, 15
(3x+15)/(x+15) = 2/1 => 3x+15 = 2x+30 => x = 15. Ages are 45 and 15.
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