Arithmeticmedium · Past Paper
The ratio of ages of Ram and Shyam is 4:5. If the sum of their ages is 81 years, what will be the ratio of their ages after 9 years?
A5:6
B4:5
C3:4
D6:7
✓ Correct Answer: A — 5:6
Current ages: 4x+5x=81 => 9x=81 => x=9. Ram=36, Shyam=45. After 9 years: Ram=45, Shyam=54. Ratio = 45:54 = 5:6.
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