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    Question

    The ratio of A’s age to B’s age is 5 : 7, and the

    ratio of B’s age to C’s age is 14 : 9. What is the ratio of A’s age to C’s age?
    A 23:17 Correct Answer Incorrect Answer
    B 15:17 Correct Answer Incorrect Answer
    C 10:11 Correct Answer Incorrect Answer
    D 10:9 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    A : B = 5 : 7 B : C = 14 : 9 Make B equal in both ratios: A : B = 5 : 7 = 10 : 14  (multiplying by 2) B : C = 14 : 9 Now, A : B : C = 10 : 14 : 9 So, A : C = 10 : 9

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