How many words can be formed by using all letters of the word â€œBIHARâ€  Choose the correct option:  A) 320  B) 200  C) 420  D) 120  E) 300
Sol. The word BIHAR contains 5 different letters.   Required number of words = 5p5 = 5! = (5x4x3x2x1) = 120   ANSWER 120
<result>D</result>
How many words can be formed by using all letters of the word â€œBIHARâ€