A solid metallic cylinder of base radius 3 cm and height 5 cm is melted to make n solid cones of height 1 cm and base radius 1 mm. The value of n is

Explanation

n = (volume of cylinder)/(volume of one cone)
=`(pi xx 3 xx 3 xx5)/(1/3 pi xx 1/(10) xx 1/(10) xx 1)` = 13500