The Sun is estimated to be about 4.6 billion years old, formed from the gravitational collapse of a giant molecular cloud.
Aman and Raj are running on a circular track that measures 1800 meters in circumference. Aman runs at a speed of 5 m/s, while Raj runs at 4 m/s. What i...
The speed of a car is 20% more than that of a bike. Both of them start from a same point. After travelling for 10 hours, the speed of the bike is increa...
A car running with a speed of 52 km/hr takes 4 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it take...
Parag starts chasing a Vipul, 7 hours after the Vipul starts running. Parag takes 8 hours to catch the Vipul. If the average speed of the Parag is 45 km...
Train A whose length is 180m is crosses a man standing in the bridge in 4.5 seconds. Train B whose length is165 m, is running at a speed of 63 km/hr and...
1200 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 20 s...
A cyclist usually takes 6 hours to cover 240 kilometres. Find the time taken by the cyclist to cover the same distance if he trav...
If a person walks 25% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 495 km away, then the usual speed of a...
A goods train and a passenger trains are running on parallel tracks in the same direction.The driver of the goods train observes that the passenger tra...
The speeds of Ram and Rohan are 40km/hr and 50km/hr respectively. Rohan initially is at a place A and Ram is at a place B. The distance between A and B ...
