Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the…

A train 300 metres long takes 40 seconds to cross a platform 900 metres long. The speed of the train in, km per hour is …

In a race of one kilometre. A gives B a start of 100 metres and still wins by 20 seconds. But if A gives B a start of 2…

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…

A long distance runner run 9 laps of a 400 metres track everyday. His timings (in min) for four consecutive days are 88,…

Ramesh travels 760 km to his home, partly by train and partly by car. He takes 8 hours, if he travels 160 km by train an…

A car travels from P to Q at a constant speed. If its speed were increased by 10 km/hr, it would have taken one hour les…

A 6 cm long cigarette burns up in 15 minutes if no puff is taken.For every puff, it burns three times as fast during th…