passwella.
Menu

JAMB Mathematics 2003 Question 44

Question 44

Probability

Two dice are thrown. What is the probability that the sum of the numbers is divisible by 3?

  1. A.2/3
  2. B.½
  3. C.1/3
  4. D.¼
Show the answer and explanation

Answer: C (1/3)

Explanation

Sums of 3, 6, 9 and 12 occur in 2 + 5 + 4 + 1 = 12 of the 36 outcomes, so the probability is 12/36 = 1/3.