A father rsquo s age is three times the sum of the ages of his two children but 20 years hence...........

Quantitative Aptitude ( CCS) Problems based on Ages

A father’s age is three times the sum of the ages of his two children, but 20 years hence his age will be equal to the sum of their ages. Then the father’s age is ?

30 years

40 years

35 years

45 years

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Explanation:

At present, F = 3 (C1 + C2); => C1 + C2 = F/3 ------> (i) [Here F= Father and C = Child]
After 20 years,
F + 20 = [C1 + 20 + C2 + 20]
By equ. (i) :-
F + 20 = F/3 + 40
F = 30