Question

150 children took a dip cuboidal pool. which is 60m long and 40m broad. what is the rise in level of water if the average displacement per child is 0.8mcube​

Answer 1

volume of pool is = 150 × 0.8

volume of pool is = 120m cube.

then, height = 120/60 × 40

rise in height = 0.05 m answer...

but i am not sure....