Ques 1 Speed and Time
A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes The length of the bridge (in meters) is
Ques 2 Speed and Time
Two cars start at the same time from one point and move along two roads at right angles to each other. Their speeds are 36 km/hour and 45 km hour respectively After 15 seconds the distance between them will be
Ques 3 Speed and Time
A goods train leaves a station at a certain time and at a fixed speed. After 6 hours, an express train leaves the same station and moves in the same direction at a uniform speed of 90 kmph, this train catches up the goods train in 4 hours. Find the speed of the goods train.
Ques 4 Speed and Time
A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat in still water and the stream is
Ques 5 Speed and Time
If Rajiv rows at his usual rate, he can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. If Rajiv could make his usual rowing rate twice of what it is for his 24-mile round trip, the 12 miles downstream would then take only one hour less than the 12 miles upstream. What is the speed of the current in miles per hour?
Ques 6 Speed and Time
A boat covers 56 km upstream in 7 hours and 48 km downstream in 4 hours. What is the speed of the boat in still water?