4 years ago the ratio of A 39 s and B 39 s age is 5 3 The sum of the present ages of A B and C is 80...........

Quantitative Aptitude(IBPS PO) Problems based on Ages

4 years ago, the ratio of A's and B's age is 5 : 3. The sum of the present ages of A, B and C is 80 years. If C's present age is equal to the sum of present ages of A and B. What is present age of A?

24 years

20 years

22 years

26 years

18 years

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Explanation:

Present age of A = 5x+4
Present age of B = 3x+4
Present age of C = 5x+4 + 3x+4
5x+4 + 3x+4 + 5x+4 + 3x+4 = 80
or, x = 4
So, Present age of A = 5x+4 = 24