New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A is 3 years older than B. After 5 years, ratio of the

    age of B and that of her father will be 1:3. Present age of B’s father is 40 years and C is 5 years older than A. Find the respective ratio of the present ages of B and C.
    A 5:9 Correct Answer Incorrect Answer
    B 3:7 Correct Answer Incorrect Answer
    C 7:16 Correct Answer Incorrect Answer
    D 1:2 Correct Answer Incorrect Answer
    E 2:3 Correct Answer Incorrect Answer

    Solution

    After 5 years, Age of B’s father = 40 + 5 = 45 years Age of B = 1/3 × 45 = 15 years Present ages, B = 15 – 5 = 10 years A = 10 + 3 = 13 years C = 13 + 5 = 18 years Required ratio = 10:18 = 5:9

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