A) 1 : 4
B) 2 : 3
C) 3 : 5
D) 5 : 6
Correct Answer: C
Solution :
Let the ages of two brothers are x and 2x yr respectively. According to question, \[\frac{x-5}{2x-5}=\frac{1}{3}\] \[\Rightarrow \] \[3x-15=2x-5\] \[\Rightarrow \] \[x=10\] \[\therefore \] Required ratio \[=(10+5):(20+5)\] \[=15:25=3:5\]You need to login to perform this action.
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