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 …

A man covers half of his journey at 6 km/h and the remaining half at 3 km/h. His average speed is

Two cyclists, k kilometres apart, and starting at the same time, would be together in r hours if they travelled in the s…

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 postman goes with a speed of 36 km/h what is the speed of postman in m/s?

Ashok left from place A for place B at 8 am and Rahul left place B for place A at 10.00 am the distance between place A …

The distance between two places R and S is 42 km. Anita starts from R with a uniform speed of 4 km/hr towards S and at t…

A person, who can walk down a hill at the rate of $$4\frac{1}{2}$$ km/hr and up the hill at the rate of 3 km/hr. He asce…