Question

1. A rectangular swimming pool of length 25 m and
breadth 12 m has a uniformly sloping floor. It is 2 m
in depth on one end of its length and 3 m at the
other. How much water is needed to completely fill
this pool?
SSC (10+2) 2017
(a) 1500 cu m
(b) 2250 cu m
(c) 3000 cu m
(d) 7.50 cu m​

Answer 1

Step-by-step explanation:

Volume of pool = length × breadth × height

In this case we will take average height

∴ height = (2 + 3)/2 = 2.5 m

Length and breadth is 25 m and 12 m resp.

∴ Volume = 25 × 12 × 2.5 = 750 cubic m