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

    Question

    Difference between the ages of A and B is same as the

    difference between the ages of B and C. The difference between the ages of A and C is 8 years. If their sum of age is 42, then find the ratio of ages of three people.
    A 7:6:5 Correct Answer Incorrect Answer
    B 11:8:5 Correct Answer Incorrect Answer
    C 9:7:5 Correct Answer Incorrect Answer
    D 4:3:2 Correct Answer Incorrect Answer
    E 5:4:3 Correct Answer Incorrect Answer

    Solution

    According to question, => A – B = B – C => A + C = 2B => A – C = 8 => A = 8 + C => A + B + C = 42 => 2B + B = 42 => B = 14 Now, => A + B + C = 42 => C + 8 + 14 + C = 42 => 2C = 20 => C = 10 Age of A = 8 + 10 = 18 Required ratio = 18:14:10 = 9:7:5

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