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Q. The ratio of the present ages of Suresh and his daughter is 2 : 1. Six years hence, the ratio of their ages would be 23 : 13. Find the present age of Suresh?
Explanation by: Bijay Kumar
Let the present ages of Suresh and his daughter be 2x and x years respectively; then According to question, Six years hence, the ratio of their ages would be 23 : 13 (2x + 6) / (x + 6) = 23/13 ⇒ (2x + 6) 13 = 23 (x + 6) ⇒ 26x + 78 = 23x + 138 ⇒ 3x = 60 ∴ x = 20 Hence, present age of Suresh = 2 x 10 = 40 years
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