A circular pool is filling with water . Assuming the water level will be 4ft deep and the diameter is 20 ft , what is the approximate volume of the water needed to fill the pool ?

A 251.2 cubic ft
B 1,256 cubic ft
C 5,024 cubic ft
D 3,140 cubic ft

Correct Answer: 1,256 cubic ft

Volume of cylinder = πr2h Volume of circular pool = π × ( 20/2)2 × 4 = 1256.64 ft3
Bissoy MCQ
#গণিত #Bangladesh Bank #পরিমাপ ও একক (Measurement & Unit) #Bangladesh Bank - Assistant Director - 2011

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