Question

If the different permutations of all the letters of the word EXAMINATION are listed in a dictionary then how many words are there in this list before the first word begins with E ?

(a) 907,200 

(b) 970200 

(c) 922700 

(d) 709002

Answer 1

Correct option: (a) 907,200

Explanation:

Here N Occurs 2 times

I Occurs 2 times

Words are there in dictionary list before the first word begins with E are such words which begins with a

= 10!/2! 2! = 907, 200