A rectangular water tank is `80 mxx40 m` . Water flows into it through a pipe 40 sq. cm at the opening at a speed of 10 km/hr. By how much, the water level will rise in the tank in half an hour? `3/2c m` (b) `4/9c m` (c) `5/8c m` (d) None of these

A rectangular water tank is 80m x 40 m.Water flows into it through a pipe of 40 sq. cm at the opening at a speed of 10 km/hr. The water level will rise in the tank in half an hour is एक आयताकार पानी की टंकी 80मी: x 40मी. की है। इसमें 40 वर्ग से.मी. का पाईप, जो खोलने पर 10 कि.मी./घं. की गति से पानी भरता है। बताइए टंकी में आधे घण्टे में जल स्तर कितना ऊपर होगा?

A rectangular tank is 80m long and 25m broad.Water flows into it through a pipe whose cross-section is 25cm^(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 tank is 5m high,3m long and 2m wide.it can hold

A river 3m deep and 40m wide is flowing at the rate of 2 km/hr. How much water will fall into the sea in 2 minutes :-

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

A rectangular tank is 225m by 162m 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 river 3m deep and 40m wide is flowing at the rate of 2km per hour.How much water will fall into the sea in a minute?

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