UI Post-UTME Mathematics 2023 (Model questions) Question 25

Question 25

Probability

The probability of rolling a prime number on a fair six-sided die is

  1. A.1/2
  2. B.1/3
  3. C.1/6
  4. D.2/3
Show the answer and explanation

Answer: A (1/2)

Explanation

The primes on a die are 2, 3 and 5: 3 out of 6, so 1/2.