Skip to content
Related Articles

Related Articles

QA – Placement Quizzes | Permutation and Combination | Question 13

View Discussion
Improve Article
Save Article
Like Article
  • Last Updated : 28 Jun, 2021

In how many ways can the alphabets of the word ‘DERAIL’ be arranged so that the vowels come at the odd positions only?

(A) 12
(B) 18
(C) 24
(D) 36

Answer: (D)

Explanation: There are 3 consonants (D,R,L) and 3 vowels (E,A,I).
There are 3 odd positions and 3 even positions: O E O E O E.
Therefore, required number of arrangements = 3P3 * 3P3 = 6 * 6 = 36.

Quiz of this Question
Please comment below if you find anything wrong in the above post

My Personal Notes arrow_drop_up
Recommended Articles
Page :

Start Your Coding Journey Now!