Question

750 watts water pump raises 1200 litres of water
from the ground to a water tank in a given time.
How many watts water pump is needed to raise
1800 litres of water from the ground in the same
amount of time?​

Answer 1

750 watts. 1200 L

x ? 18ooL

x=1800x750 / 1200 = 1125Watts

required