Two ghats are located on a river bank. Leaving one of the ghats for the other downstream, a motorboat returns to the first ghat upstream and it takes 2 hours 40 minutes less time in downstream than upstream. The speed of motorboat in still water is 22.5 km/hr while the speed of river is 9 km/hr. Then find distance between these two ghats?
Solution : D : U 22.5+9 22.5-9 31.5 : 13.5 7 : 3 (speed) 3 …
May 18, 2024