The present ages of Reena and Usha ar 24 and 36 yr respectively. What was the ratio between the ages of Usha and Reena respectively 8 yr ago?
7:4
4:7
11:8
8:11
Age of Reena after 8yr=24−8=16yr Age of Usha After 8yr=36−8=28 So, the ratio will be 1628=47