The ratio of the present ages of A and B is 8 : 9. After 9 years, this ratio will become 19 : 21. C is 3 years younger to B. What is the present (in years) of C?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer is option 3 i.e. 51
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Understanding |
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Given the ratio of the present ages of A and B is 8 : 9 Let the present ages of A and B is 8x and 9x. After 9 years, ratio:
(8x + 9)/(9x + 9) = 19/21 ⇒ (8x + 9)/(3x + 3) = 19/7 ⇒ x = 6 So, Age of B = 9x = 9 × 6 = 54 C is 3 year younger than B So, age of C = 54 – 3 = 51 years
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