WAEC Mathematics questions: Probability

23 questions with answers and explanations. Tap an option to check yourself.

1. Question 21· Probability· WAEC

   A fair die is rolled once. Find the probability of getting a prime number.

   • A1/3
   • B1/2
   • C2/3
   • D1/6

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   Explanation and discussion

2. Question 22· Probability· WAEC

   A box contains 4 green, 6 yellow and 2 white beads. One bead is chosen at random. Find the probability that it is yellow.

   • A2/3
   • B1/3
   • C1/6
   • D1/2

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   Explanation and discussion

3. Question 23· Probability· WAEC

   The probability that Ada passes an examination is 0.7. What is the probability that she fails?

   • A0.7
   • B0.3
   • C1.7
   • D0.07

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   Explanation and discussion