lA vessel is in the form of an inverted cone .it's height is 8 cm and the radius of its top, which is open , is 5 cm . it is filled with water up to the brim. when lead shots , each of which is a shape of radius 0.5 cm are dropped into the vessel, one-fourth of the water flows out . find the number of the lead shots dropped in the vessel.
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volume of water before flowing out = 1/3 πr²h = 209.43cm³
leadshots are thrown 1/4th flows out --> flowing out volume = 0.25 × 209.43 = 52.35 cm³
volume of each lead shot = 4/3 πr³ = 0.5235
n × volume of each lead shot = volume of water flowing out
n×0.5235 = 52.35
n= 100
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