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    Question

    The current age ratio of Akash to karan is 7:9, and the

    current age ratio of karan to Chetna is 3:5. If the average of their present ages is 62 years, determine the difference between the present ages of karan and Chetna.
    A 25 yrs Correct Answer Incorrect Answer
    B 35 yrs Correct Answer Incorrect Answer
    C 36 yrs Correct Answer Incorrect Answer
    D 45 yrs Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let the present age of ‘Akash’ be ‘7a’ years So, present age of ‘karan’ = ‘9a’ years And, present age of ‘Chetna’ = (9a/3) × 5 = ‘15a’ years According to the question, 7a + 9a + 15a = 3 × 62 Or, 31a = 186 Or, a = 6 Required difference = 15a – 9a = 6a = 36 years

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