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    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.
    A 14 Correct Answer Incorrect Answer
    B 10.5 Correct Answer Incorrect Answer
    C 21 Correct Answer Incorrect Answer
    D 28 Correct Answer Incorrect Answer

    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) ∶ (3x + 3) = 2 ∶ 1 ⇒ 7x + 3 = 6x + 6 ⇒ x = 3 The current age of Naresh = 7x = 21 years

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