Question

How many permutations can be made out of the letter of the word COMPUTER that end with R

Answer 1

Answer:

Here,total number of letter in a word "COMPUTER" are 8 . d) C and R occupy end position in 2! ways and remaining 6 letters has the arrangement ways as 6!

Answer 2

Answer:

Given,

The word COMPUTER.

To Find,

Permutations out of the letter of the word COMPUTER that end with R.

Solution,

We can find the answer by following the rules of permutation.

We have one rule, R is fixed in the end.

7 letters are remaining.

None of these letters are repeating.

Therefore permutation= 7!.

Hence, the number of permutations out of the letter of the word COMPUTER that ends with R is 7!.