Question (13/42)
In one hour, a boat travels 11 km along the stream of river and 5 km against the stream of river. What is speed of the boat in still water ?(A) 3 km/hr
(B) 5 km/hr
(C) 7 km/hr
(D) 8 km/hr
Question (14/42)
Two trains, one from point P to Q and the other from point Q to P, start simultaneously. After they meet midway, the trains reach their destinations after 9 hours and 16 hours respectively. What is ratio of speeds of the trains ?(A) 2 : 3
(B) 4 : 3
(C) 6 : 7
(D) 9 : 16