Question

N how many ways can the letters of the word plumber such that all the vowels are always together? 1) 6! X 2! 2) 7! 3) 5! X 2! 4) 6! 5) none of these

Answer 1

Answer:

The word 'OPTICAL' has 7 letters. ... should always come together. Hence these ... Hence we can assume total letters as 5. and all these letters are different. ... [5 x 4 x 3 x 2 x 1 ...