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 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 park is 20 3/4 m long and 15 1/2 m wide. What is the area of the park?

A rectangular tank is 225 m by 162 m at the base. With what speed must water flow into it through and aperture 60cm by 45cm that the level may be raised 20cm in 5 hours.?

A rectangular tank is 225 m\ by 162 m at the base. With what speed must water flow into it through and aperture 60 c m\ b y\ 45 c m that the level may be raised 20 c m in 5\ hou r s ?

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 contains 105\ m^3 of water. Find the depth of the water in the reservoir if its base measures 12m by 3.5m.

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

A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hour. How much water will fall into the sea in a minute?

A rectangular room is 9 m long and 6 m wide. Find the cost of covering the floor with carpet 2 m wide at 35 per metre.

A rectangular field measures 18 m long and 12 m wide. Find the cost of fencing the field at the rate of ₹50 per metre.