A) 12 years
B) 15 years
C) 10 years
D) 20 years
Correct Answer: A
Solution :
[a] Ankit's present age is x years. Nikita's age \[=\frac{240}{x}\] \[\Rightarrow \,2\times \frac{240}{x}-x=4\,or\,x=20\] \[\therefore \] Nikita's age \[=\frac{240}{20}=12.\]You need to login to perform this action.
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