A speed of 20 meters per minute means one can cover___ in 10 minutes.

Q. The climb from foot to top of a hill is 800 meters , Jack can climb at 16 meters per minute and rest for two minutes or 20 meters per 2 minutes and rest for one minute. Paul can climb at 10 meters per one minute and rest for one minute or 16 meters per minute and rest for 2 minutes . If it take to reach the top in exactly two hours. what is the maximum number of rests that he can take ?

Q. A racing car covered 600 km in 3 hours 20 minutes. Find its speed in meter per second.
How much distance will the car cover in 50 sec?

Q. A submarine is at a depth of 500 meters below sea level. It dives deeper for 10 minutes at a rate of 20 meters per minute and then starts going up at a rate of 10 meters per minute. How long will the submarine take to reach the surface?

Q. Shyam walked 87 meters in 5 minutes. Estimate the distance covered by him in one minute.