Water in a rectangular reservoir having base 80m by 60m is 6.5m deep. In what time can the water be emptied by a pipe of which the cross-section is a square of side 20cm, if the water runes through the pipe at the rate of 15 km/hr.

Water in a rectangular reservoir having base 80m by 60m is 6.5m deep.In what time can the water be emptied by a pipe of which the cross-section is a square of side 20cm, f the water runs through the pipe at the rate of 15km/hr.

Water in a rectangular reservoir having base 80m by 60m is 6.5m deep. In what time can the water be emptied by a pipe of which the cross-section is a square of side 20cm, f the water runs through the pipe at the rate of 15km/hr.

How many litres of water flow out of a pipe having an area of cross-section of 5\ c m^2 in one minute, if the speed of water in the pipe is 30\ c m//s e c ?

How many litres of water flow out of a pipe having an area of cross-section of 5\ c m^2 in one minute, if the speed of water in the pipe is 30\ c m//s e c ?

A rectangular reservoir is 120 m long and 75\ m wide. At what speed per hour must water flow into it through a square pipe of 20 c m wide so that the water rises by 2. 4\ m\ in\ 18\ hou r sdot

A rectangular water reservoir is 10. 8 m xx 3. 75 m at the base. Water flows into it at the rate of 18 m/sec through a pipe having the cross section 7. 5 cm and 4. 5 cm Find the height to which the water will rise in the reservoir in 30 minutes

A rectangular reservoir is 120m and 75m wide.At what speed per hour must water flow into it through a square pipe of 20cm wide so that the water rises by 2.4m in 18 hours.

A rectangular reservoir is 120m long and 75m wide.At what speed per hour must water flow into it through a square pipe of 20cm wide so that the water rises by 2.4m in18 hours.