JEE Main & Advanced
Mathematics
Permutations and Combinations
Question Bank
Definition of permutation, Number of permutations with or without repetition, Conditional permutations
question_answer
How many words comprising of any three letters of the word UNIVERSAL can be formed
A)504
B)405
C)540
D)450
Correct Answer:
A
Solution :
Required number of words\[{{=}^{9}}{{P}_{3}}=504\].