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 reservoir is 120 m 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. 4m in 18 hours?

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 water reservoir is 10. 8 mb y3. 75 m at the base. Water flows into it at the rate of 18 mp e r second through a pipe having the cross section 7. 5 c mx4. 5 c mdot Find the height to which the water will rise in the reservoir in 30m inu t e sdot

The floor of a rectangular pool is 5.4 m by 4m. In all parts of the pool the water is 40 cm deep . Find the volume of the water in the pool.

A rectangular tank is 80m long and 25m broad. Water flows into it through a pipe whose cross-section is 25 c m^2, at the rate of 16km per hour. How much the level of the water rises in the tank in 45 minutes.

A rectangular water reservoir contains 42000 litres of water. Find the depth of the water in the reservoir if its base measures 6m by 3.5m.

A hose-pipe of cross-section area 2cm^(2) delivers 1500 litres of water in 5 minutes. What is the speed of water in m/s through the pipe?