A) 20 years
B) 60 years
C) 25 years
D) 40 years
Correct Answer: D
Solution :
Suppose present age of son = x years and the present age of father = 30x years Now, 18 years later, \[30x+18=3(x+18)\] \[30x+18=3x+54\] \[27x=36\] \[x=\frac{4}{3}\] Hence, the father's present age\[=\frac{30\times 4}{3}\] \[=40\,\,years\]You need to login to perform this action.
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