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12 years ago the ratio between the ages of A and B was 3 : 4 respectively. The present age of B is 3 3/4 times of C?s present age. If C?s present agcy is 16 years then what is A?s present age ? (in years),
- A48
- B42
- C60
- D54
Answer not set
Discussion 1
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Solution
Current age of B = 3 $\frac{3}{4}$ times of C's age
current age of c = 16 years, Thus B's current age = $\frac{15}{4}$ * 16 = 60 years
12 years ago
A:B = 3:4
B's age = 48 years, thus A = 36 years
Hence current age of A = 36 + 12 = 48 years
Current age of B = 3 $\frac{3}{4}$ times of C's age
current age of c = 16 years, Thus B's current age = $\frac{15}{4}$ * 16 = 60 years
12 years ago
A:B = 3:4
B's age = 48 years, thus A = 36 years
Hence current age of A = 36 + 12 = 48 years