A computer is programmed to randomly print two letters in a row without repeating a letter. What is the probability that the first combination printed is the word "DO"?
A) 1/650
B) 1/325
C) 2/325
D) 1/26

Question

Quizplus · Accepted Answer

The total number of possible combinations is 26 (letters in the alphabet) times 25 (remaining letters after the first is chosen), which equals 650. The combination "DO" is just one of these possibilities, so the probability is 1/650.

A Computer Is Programmed to Randomly Print Two Letters in a Row