Question

A metallic cylinder of diameter 5cm and height 3* 1/35cm is melted and cast into a sphere.what is its diameter

Answer 1

hy . here's ur answer
using the formula of volume of cylinder and sphere.
No. of spheres formed =volume of 1cylinder /volume of 1 cone
convert the integers into fraction and use
$\pi = 22 \div 7$

and solve u'll get the answer