Question
The ratio of the present ages of Naresh and Supara is 7:
3. Three years from now, the ratio of their ages will be 2 : 1. The current age of Naresh is________years.Solution
Let the present age of Naresh and Suparna be 7x and 3x respectively. ⇒ Naresh’s age in three years = 7x + 3 ⇒ Suparna’s age in three years = 3x + 3 According to question, ⇒ (7x + 3) ⶠ(3x + 3) = 2 ⶠ1 ⇒ 7x + 3 = 6x + 6 ⇒ x = 3 The current age of Naresh = 7x = 21 years
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