CBSE Class 10 Maths (Standard) 2015 · Paper 30/1 · Question 31
From each end of a solid metal cylinder, metal was scooped out in hemispherical form of same diameter. The height of the cylinder is cm and its base is of radius cm. The rest of the cylinder is melted and converted into a cylindrical wire of cm thickness. Find the length of the wire. [Use ]
Answer
Length of the wire cm.
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