The diameter of each wheel of car is 70 cm. If each wheel rotates 400 times per minutes, then the speed of the car (in k…

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

A jeep is chasing a car which is 5 km ahead. Their respective speeds are 90 km/hr and 75 km/hr. After how many minutes w…

A train covered a certain distance at a uniform speed. If the train had been 6 km/hr faster, then it would have taken 4 …

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 train travelling with a speed of 60 kmph catches another train travelling in the same direction and then leaves it 120…

A train leaves Delhi at 4.1 pm and reaches Aligargh at 7.25 pm. The average speed of the train is 40 km/hr. What is the …

A gun is fired from a fort. A man hears the sound 10 seconds later. If the sound travels at the rate of 330 m/sec, find …