Mathematics
NULL
Medium
Question
How many distinct permutations of the letters of MESMERISE are there?
A
9!/(2!)^2 3!
✓ Official correct answer
B
9!/(2!)^3 3!
C
9!/(2!)^2 (3!)^2
D
5!/(2!)^2 3!
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
9!/(2!)^2 3!
No member explanations yet for this option.
B
9!/(2!)^3 3!
No member explanations yet for this option.
C
9!/(2!)^2 (3!)^2
No member explanations yet for this option.
D
5!/(2!)^2 3!
No member explanations yet for this option.
Explanation
Letters: M² E³ S² R I. Permutations = 9! / (2!² × 3!).