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

    Question

      Eight years from now, Kirti's age will be twice that

    of her brother Kunal, but 6 years ago she was four times as old as Kunal was then. Find the present age of Kunal.
    A 9 years Correct Answer Incorrect Answer
    B 13 years Correct Answer Incorrect Answer
    C 15 years Correct Answer Incorrect Answer
    D 24 years Correct Answer Incorrect Answer

    Solution

    Let the present age of Kirti =x and Kunal =y ATQ- After 8 years- X+8 = 2(y+8)    … (1) Before 6 years – x-6 = 4(y-6) x-6 =4y-24 x =4y-18          …. (2) put the value of x in Eq (1) 4y -18+8 =2y+16 4y -10 =2y+16 2y =26 y =13 years.

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