Question

find the number of 4 letter words that can be formed using the letters of the word mixture which i)contains letter x ii) do not contain letter x​

Answer 1

Step-by-step explanation:

Words containing letter X:

Given word has 7 different letters.

Hence, number of 4 letter words that can be formed are,

6P4 = 6! / (6–4)! = 360.

Words not containing X:

Now, the given word becomes MITURE.

So, we have 6 distinct letters.

So, number of 4 letter words that can be formed are,

7P4 = 7! / (7–4)! =

Answer 2

Answer:

yes the answer is right