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

    Question

    The average age of A, B, and C is 30 years. 5 years ago,

    the sum of the ages of A and B was 12 more than that of C. Find the present age of C.
    A 23.5 Correct Answer Incorrect Answer
    B 32.6 Correct Answer Incorrect Answer
    C 36.5 Correct Answer Incorrect Answer
    D 27.6 Correct Answer Incorrect Answer

    Solution

    A+B+C = 20×3=60 5 years before = A+B+C = 90-15 =75 SO, NOW ATQ- (A+B) +C=75 C+12+C = 75 2C =63 C= 31.5 So now the present age of C = 31.5+5=36.5 years 

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