Subject :IMO Class : Class 9
In a gym, in one exercise you have to continuously toss solid cylindrical dumbbells and catch them. Cylindrical dumbbells are of length 1 m and base diameter also 1 m. If density of the material used is 4 kg per m3, then the weight tossed is _____.
(A) 3.14 kg
(B) π/2 kg
(C) 4π kg
(D) 12.56 kg