Question

a vessel is in the form of an inverted cone. it's height is 8cm and radius of its top, which is open, is 5cm. it is filled with water up to the brim. when lead shots each of which is a sphere of a radius 0.5cm are dropped into the vessel, one fourth of the water flows out. Find the number of lead shots dropped in the vessel

Answer 1

h =8cm
r =5cm..for cone
r=0.5cm ..for sphere
let no .of lead shot be N
vol of 1 shot=1/4 (vol of water ..is cone )
N (4/3 pie r×r×r)=1/4 (1/3 pie r×r×h)
AGAIN SUBSTITUTE THE VALUES GIVEN ABOVE....U will get THE ANSWER AS
N, ie; no of shots =100

Answer 2

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