How many words can be formed by using all letters of the word 'BIHAR' ?	Choose the correct option
A) 112
B) 120
C) 157
D) 136
E) 142
The word 120IHAR contains 5 different letters   Required number of words = 5P5 = 5! = 5*4*3*2*1= 
<gadget id="calculator">5*4*3*2*1</gadget>
<output>120</output>
120   Answer is 120
<result>B</result>
How many words can be formed by using all letters of the word 'BIHAR' ?