Get Answers to all your Questions

header-bg qa

Find the number of different words that can be formed from the letters of the word ‘TRIANGLE’ so that no vowels are together.

Answers (1)

Consonants in TRIANGLE are T, R, N, G, L .   Vowels are I, A, E  

  Five consonants can be arranged in 5! ways  XCXCXCXCXCX 

   Arrangements of consonants as C above creates 6 gaps marked as X   

  Now, 3 vowels can be arranged in any three of these 6 gaps in ^6P_3 ways 

  So, total number of arrangements=5!*^6P_3=120*120=14400

Posted by

infoexpert21

View full answer