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WAEC Mathematics 2006 Question 16

Question 16

Probability

The ratio of boys to girls in a class is 5:3. Find the probability of selecting at random, a girl from the class.

  1. A.1/8
  2. B.1/3
  3. C.3/8
  4. D.3/5
Show the answer and explanation

Answer: C (3/8)

Explanation

Girls make up 3 out of every 5 + 3 = 8 pupils, so the probability is 3/8.