A jeep has wheels of diameter 140 m.
How many revolutions can the wheel complete in 40 minutes, if the jeep is travelling at a speed of 220 m/s?
Soham runs at a speed of 8 m/s.
Vinay runs behind him after 3 seconds at a speed of 14 m/s.
After how much time Vinay will catch the Soham?
How many seconds will a 468 m long train take to cross a man driving his motor bike at a speed of 39 km/hr in a direction of the moving train if the speed of the train is 120 km/hr?
The speed of the motor boat in still water is 25/3 m/s.
It goes 75 km downstream and comes back in 9 hours.
Find the speed of the current in km/hr.