How many words can be formed by using all letters of the word 'PIG' ?  Answers:
A) 6
B) 8
C) 9
D) 5
E) 7
The word PIG contains 3 different letters   Required number of words = 3P3 = 3! = 3*2*1= 
<gadget id="calculator">3*2*1</gadget>
<output>6</output>
6   6nswer is 6
<result>A</result>
How many words can be formed by using all letters of the word 'PIG' ?