How long must a driver take to drive the final 70 miles of a trip if he wants to average 50 miles an hour for the entire…

A car covers a distance from town 1 to town 2 at the speed of 56 km/hr and from town 2 to town 1 at the speed of 53 km/h…

A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour ?

P and Q are 27 km away. Two trains with speed of 24 km/hr and 18 km/hr respectively start simultaneously from P and Q an…

A man goes to the fair with his son and dog. Unfortunately man misses his son which he realizes 20 minutes later. The so…

A man can row 15 km/h in still water and he finds that it takes him twice as much time to row up than as to row down the…

A man covered a certain distance at some speed. Had he moved 3 kmph faster, he would have taken 40 minutes less. If he h…

In a race of 200 meters, B can gives a start of 10 meters to A, and C can gives a start of 20 meters to B. The starts th…