Question

How many words can be formed with the
letters of the word "LUCKNOW" if all the
vowels are always together.

(2/2 Points)
1440 ✓
1441
1399
1398​

Answer 1

Answer:

1440

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Answer 2

Step-by-step explanation:

In the word LUCKNOW, we treat the vowels UO as one letter.

Thus we have, LCKNW (UO) total 6 letters.

There is no repetition of letters.

∴ Number of ways to arrange these letters = 6! = 720

Now, the 2 vowels can be arranged is = 2! = 2 ways

∴ Total no. of arrangements = 720 × 2 = 1440