Question

b. A vessel is in the form of an inverted cone. its height is
11 cm and the radius of its top, which is open, is 2.5 cm. It
is filled with water up to the rim. when lead shots each of
which is a sphere of radius 0.25 cm, are dropped into the
vessel, 2/5 of the water flows out. Find the number of lead
shots dropped into the vessel.​

Answer 1

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