We need to create code words that use three letters of the alphabet. Repeating of letters is allowed. How many code words can be created?
A) 17,576
B) 15,600
C) 78
D) 75

Question

Quizplus · Accepted Answer

Since repetition is allowed and there are 26 letters in the alphabet, for each of the three positions in the code word, there are 26 possibilities. Therefore, the total number of code words is 26 * 26 * 26 = 17,576.

We Need to Create Code Words That Use Three Letters