Question

Possible number of combinations of AA BB CC DD?

A) 6
B) 12
C) 24
D) 48

Answer 1

The possible number of combinations of AA BB CC DD is 24 (option C).

Step-by-step explanation:

The possible number of combinations of AA BB CC DD is 24 (option C).

Each letter can be arranged in 4 different positions, resulting in 4! (4 factorial) combinations. The factorial of 4 (4!) is calculated as 4 x 3 x 2 x 1 = 24.

Therefore, there are 24 possible combinations of AA BB CC DD.