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

    Question

    Three years ago, the ratio between the ages of 'A' and

    'B' was 4:5, and eight years from now, the ratio will be 6:7. If 'C' is 12 years older than 'A', find the present age of 'C'.
    A 12 yrs Correct Answer Incorrect Answer
    B 10 yrs Correct Answer Incorrect Answer
    C 27 yrs Correct Answer Incorrect Answer
    D 37 yrs Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Three years ago from now, let age of ‘A’ was ‘4y’ years So, age of ‘B’, three years ago was ‘5y' years ATQ; Eight years from now, ages will be 4y+11 for 'A' and 5y+11 for 'B'. Therefore, Present age of 'A' is 4y+3 =( 4×5.5) + 3 = 25 years. Therefore, the present age of 'C' is 25 + 12 = 37 years.

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