A distance of 425 km separates two trains moving towards each other at a speed of 200 km/hr each. What will be the dista…

The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the f…

With an average speed of 50 km/hr, a train reaches its destination in time. If it goes with an average speed of 40 km/hr…

An aeroplane flies from place A to place B at the speed of 500 km/hr. On the return journey, its speed is 700 km/hr. The…

A train passes two bridges of length 800 m and 400 m in 100 seconds and 60 seconds respectively. The length of the train…

A railway passenger counts the telegraph poles on the rail road as he passes them. The telegraph poles are at a distance…

A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 sec…

A monkey climbs a 60 m high pole. In first minute he climbs 6 m and slips down 3 m in the next minute. How much time is …