Question

how many permutations can be made out of the letters of the word TRIANGLE? how many of these will begin with T and end with E.
I will mark brainliest to people who answers it correctly with explanation
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Answer 1

Answer:

There are 8 letters in the word triangle.

(1) Total number of ways of permutations are to put these 8 letters in 8 places=

8

P

8

=

0!

8!

=8! =40,320

(2) Word beginning with t and ending with e implies that 2 positions out of 8 are fixed. So we need to arrange 6 letters in 6 positions.

Number of permutations =

6

P

6

=

0!

6!

=6! =720.

Step-by-step explanation:

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