NDA2010MathematicsPermutation and CombinationActual
What is the number of words that can be formed from the letters of the word 'UNIVERSAL', the vowels remaining always together?
Options
- A720
- B1440
- C17280
- D21540
Correct answer
C. 17280
Step-by-step solution
Total number of letters =9 Number of vowels =4 We take vowels as 1 letter then total number of letters =6