Points A and B are 100 km apart on a highway. One car starts from A and another from B at the same time. If the cars tra…

A person travels equal distance with speeds of 3 km/hr, 4 km/hr and 5 km/hr and taken a total time of 47 minutes. The to…

A motor car does a journey in 17.5 hours, covering the first half at 30 km/h and the second half at 40 km/h. Find the di…

Two trains, one 160 m and the other 140 m long are running in opposite directions on parallel tracks, the first at 77 km…

A man walking at the rate of 5 km/hr crosses a bridge in 15 min. The length of the bridge (in metres) is :

A train 300 m long is running with a speed of 54 km/hr. In what time it cross a telephone pole ?

A train 270 metres long is running at a speed of 36 km per hour then it will cross a bridge of length 180 metres in :

A ship, 40 kilometres from the shore, springs a leak which admits $$3\frac{3}{4}$$ tonnes of water in 12 minutes. 60 ton…