An ant climbing up a vertical pole ascends 12 meters and slips down 5 meters in every alternate hour. If the pole is 63 …

A man walks a certain distance in certain time, if he had gone 3 km per hour faster, he would have taken 1 hour less tha…

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 …

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…

A 6 × 6 grid is cut from an 8 × 8 chessboard. In how many ways can we put two identical coins, one on the bl…

An old man driving bike at 80 km per hour. However being sugar patient, old man could not travel continuously. He takes …

A man travels some distance at a speed of 12 km/hr and returns at a speed of 9 km/hr. If the total time taken by him is …

Points 'A' and 'B' are 70 km apart on a highway and two cars start at the same time. If they travel in the same directio…