Water Supply In Chennai!

Water supply in the plant is due to

Sometimes you see a fountain of water rushing out of the leaking joints (or holes) in the pipes of main water supply line in the city. Why does it happen?

Which is the major source of water supply to the world?

An electric pump of 0.8 hp is used in water supply system in a house. Calculate the amount of current drawn by it , if it is connected to 220 V power supply.

An airplane starts its journey from Delhi to Chennai at 8:50 am. When it lands at Chennai airport, the clock time is 11:15 am. The shortest distance between Delhi and Chennai is 2095 km. What was the speed of the airplane during its journey?