Question

From all two-digit numbers with either digit 1, 2 or 3 one number is chosen. What is the probability of both digits being the same?

• A. 1/9
• B. 1/6
• C. 1/3
• D. 1/4

Answer 1

Answer:

C. 1/3

Two digit numbers = 11, 12, 13, 21, 22, 23, 31, 32, 33 Total number of outcomes = 9 probability of both digits being the same = 3/9 = 1/3