A web Maths Puzzle Numerical Ability Area and Volume

For a sphere of radius 10 cm, the
numerical value of the surface area
in how many percent of the
numerical value of its volume:

Read Solution (Total 2)

A web Other Question

What is the next number of the
following sequence
1, 3, 6, 10, 15,.......
If 2=9
3=29
4=67
5=129
than 6=?