How many different three letters passwords can be formed from the letters A,B,C,D,E, and G if no repetition is allowed?

Question

asked Jan 3, 2020 24.0k views

2 Answers

Bentesha · Answer 1 · 2020-01-06T11:07:53+0000

Answer:

120

Explanation:

There are 6 options for the first letter.

Since no repetition is allowed, there are 5 options for the second letter.

Finally, there are 4 options for the third letter.

The number of possible passwords is:

6 × 5 × 4 = 120