The concept of numbers are originated from the need of counting real things. Like objects or the days in a year. Now we can divide numbers in different groups. We will discuss one by one. Here is a list of Various types of numbers.

### Tag: quick math

## square-square root/cube-cube root of first 100 number for super fast calculation in competitive exams.

Remembering Square/square root-cube/cube roots of numbers comes handy when calculation time is a big factor, like in competitive exam.

You can easily remember

Square/square root-cube/cube roots of numbers

up to 20. For remembering after 20, you need to read the table again and again.

There is a trick to quickly calculate rather than remembering