Aptitude Hack#79(13-5-19)

Question:

How many words can be formed by using all letters of the word “Bihar”

   A )   110
   B )   120
   C )   130
   D )   140

Answer: B) 120

Explanation:

The word Bihar contains 5 different letters.
Required number of words = 5p5 
= 5! = (5x4x3x2x1) 
= 120.