CBSE Class 10 Maths (Standard) 2015 · Paper 30/2/1 · Question 30
A vessel full of water is in the form of an inverted cone of height 8 cm and the radius of its top, which is open, is 5 cm. 100 spherical lead balls are dropped into the vessel. One-fourth of the water flows out of the vessel. Find the radius of a spherical ball.
Answer
The radius of each spherical lead ball is cm, i.e. cm.
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