In a 200 m race, Rohan completes the race in 8 seconds and Vivan completes the race in 10 seconds. By how much distance Rohan beats Vivan?

In a $700 \mathrm{~m}$ race, Amit reaches the finish point in $20$ seconds and Rahul reaches in $25$ seconds. Amit beats Rahul by a distance of :

In a race of 1000 metres, X gives Y a start of 175 m and defeats him by 50 seconds. If speed of X is 5 m/s, then the speed of Y is

In a 200 meter race, Taniya beats Geetansh by 40 meters or by 10 seconds. The time taken by Taniya to complete the race will be:

The ratio of the speed of a motorboat and that of the current of water is 14 : 8. The boat goes a certain distance along with the current in 3 hours 12 minutes. How much time does it take to come back?

In a race of 800 m, A beats B by 80 m and in a race of 600 m, B beats C by 40 m. Then A will beat C in a race of 1000 m by :

A man rows 24 km upstream in 6 hours and 36 km downstream in 6 hours each time, then the speed of the boat in the still water is