NDA 2010
- Exam
- NDA
- Year
- 2010
- Subject
- Mathematics
- Chapter
- Permutation and Combination
NDA 2010 · Mathematics · Permutation and Combination
What is the number of words that can be formed from the letters of...
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
Number of vowels
We take vowels as 1 letter
then total number of letters