Given as
The word ‘MUMBAI’
Here's 6 letters in the word ‘MUMBAI’ out of which 2 are M’s and the rest all are distinct.
Therefore let us consider both M’s together as one letter, the remaining 5 letters can be arranged in 5! Ways.
The total number of arrangements = 5!
= 5 × 4 × 3 × 2 × 1
= 120
Thus, a total number of words formed during the arrangement of letters of word MUMBAI such that all M’s remains together equals to 120.
