Q17 of 35 Page 74

Half of the cuboidal water tank with length of 2.1 m and breadth of 1.5 m is filled with water. If 630 lt of water is poured more into the tank, then let us calculate and write the depth that will be increased by.

Let the rise in level be H m.

Given, length of tank = 2.1m


breadth of tank = 1.5m


volume that can be added = 630 L


As, 1m3 = 1000 L


So, volume that can be added = = 0.63 m3.


According to question,


Capacity of tank to be filled = Volume of water that can be added.




H = 0.35 m


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