Question

A bucket made up of a metal sheet is in the form of a frustum of cone of height 16 cm with diameters of its lower and upper ends as 16 cm and 40 cm respectively . Find the volume of the bucket . Also find the cost of the bucket if the cost of the metal used is ₹20 per 100 cm.sq.

Answer 1

$\sqrt{12 \sqrt{12 \sqrt{12 \sqrt{12 \sqrt{12...... \infty } } } } }$