A) 4 : 3
B) 5 : 1
C) 1 : 3
D) 3 : 4
Correct Answer: B
Solution :
Present age of Reena and Meena are 3x yr and x yr. respectively. Given, \[\frac{(3x+10)}{(x+10)}=\frac{2}{1}\] \[\Rightarrow \] \[3x+10=2x+20\] \[\therefore \,\] \[x=20-10=10\] 5 yr ago, ratio between their age \[=\frac{3\times 10-5}{10-5}=\frac{25}{5}=5:1\]You need to login to perform this action.
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