The number of permutations of 4 letters that can be made out of the letters of the word EXAMINATION is

JEE Main Mathematics question

The number of permutations of letters that can be made out of the letters of the word EXAMINATION is

(A)Correct
(B)
(C)
(D)

Answer: (A)

Solution

EXAMINATION has twice each and once each, so different letters. Case all different: ; case one pair alike: choose the pair in ways and the other two different letters from

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-020572