An empty roof-top water tank is 3 m long, 2m wide, and 1 m high. Water flows in from an inlet pipe at 30 l per minute for 2 hours and 55 minutes. What is the depth of the water in the tank now? How many more litres of water will be required to fill the tank?
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Answer:
Given:
Length= 3m
Breadth = 2m
Height= 1m
Time Taken = 2 hours 55 minutes
To Find:
The depth of the water tank.
&
How many more litres of water will be required to fill the tank?
Solutions:
Water filled in Tank = 30l × 175 minutes
Now, Formula for volume of water in a cuboid tank = l×b×h
Thus,
(given length= 3m and breadth = 2m)
So, the depth of water in the tank = 87.5 cm
Total Volume of Tank = 3m×2m×1m
=6000l
Less:Volume of water in the tank= 5250l
Thus, water required to fill the tank =(6000-5250) l =750 l