PRACTICE QUESTIONS ON FACTORIAL

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  • Mathematics

  • Factorial

  • Age 8

  • level: Year 6

  • English

Author's Instructions

Factorial(!) is an aspect of Mathematics , particularly Algebra, that deals with the multiplication of the values of a number.

The symbol of factorial is known as exclamation mark in English Language. It is a simple aspect of algebra.

The four basic arithmetic operations can be carried out with factorial. 

In any case, the basic rule must be obeyed . 

 

For example: 

     5! = 5 x 4 x 3 x 2 x 1 = 120

     3! = 3 x 2 x 1 = 6

It is important that the given number(s) are opened up to one. 

      7! = 7 x 6 x 5 x 4 x 3 x 2 x 1 = 5040