The wheel of an engine of 300 cm in circumference makes 10 revolutions in 6 seconds. What is the speed of the wheel (in …

Ravi walks to and fro to a shopping mall. He spends 30 minutes shopping. If he walks at a speed of 10 km an hour, he ret…

Two trains are running with speed 30 km/hr and 58 km/hr in the same direction, a man in the slower train passes the fast…

Two trains start from stations A and B and travel towards each other at a speed of 50 kmph and 60 kmph respectively. A t…

Two boats A and B start towards each other from two places, 108 km apart. Speed of the boats A and B in still water are …

Train A travelling at 60 km/hr leaves Mumbai for Delhi at 6 pm. Train B travelling at 90 km/hr also leaves Mumbai for De…

The driver of an ambulance sees a school bus 40 m ahead of him after 20 seconds, the school bus is 60 meter behind. If t…

How much time does a train 50 m long, moving at 68 km/hr takes to pass another train 75 m long moving at 50 km/hr in the…