A) 25
B) 30
C) 40
D) 45
Correct Answer: C
Solution :
Let the age of son is x yr, then the age of father will be 30x yr. \[30x+18=3\left( x+18 \right)\] \[\Rightarrow \] \[27x=36\] \[\Rightarrow \] \[x=\frac{4}{3}\] \[\therefore \,\] Age of father\[=30\times \frac{4}{3}=40\,\,yr\]You need to login to perform this action.
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