A person travels on a cycle from home to church on a straight road with wind against him. He took 4 hours to reach there. On the way back he took 3 hours as wind was in the same direction. If there is no wind, how much time does he take to travel from home to church?
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Qn #2016
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Qn #1890
A motorboat going downstream passes a raft at point A. Exactly one hour later it turned back and while coming upstream it passed the same raft at point B, 6 km from point A. What is the speed of the water current in km/hr?
Qn #368
A man rows at 10½ km/hr in still water and takes twice as much time upstream as downstream. What is the speed of the current?
Qn #4
Rahul can row downstream at 11km/hr and upstream at 7km/hr. Find the speed of Rahul in still water and speed of current
Qn #3
The speed of a motor boat in still water is 7km/hr. If the speed of the motor boat against the stream is 5km/hr, What is the speed of the stream?