Kenya KCSE · Mathematics

Probability

9 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 9 questions

  1. A bag holds 3 red and 2 blue beads. Two beads are drawn one after the other without replacement. What is the probability that both are red?
  2. A bag holds 4 red and 3 blue beads. Two beads are drawn one after the other without replacement. What is the probability that both are red?
  3. A bag holds 5 red and 3 blue beads. Two beads are drawn one after the other without replacement. What is the probability that both are red?
  4. A bag holds 6 red and 4 blue beads. Two beads are drawn one after the other without replacement. What is the probability that both are red?
  5. A bag holds 4 red and 6 blue beads. Two beads are drawn one after the other without replacement. What is the probability that both are red?
  6. A box has 12 tickets numbered 1 to 12. One is picked at random. What is the probability that its number is a multiple of 3?
  7. A box has 20 tickets numbered 1 to 20. One is picked at random. What is the probability that its number is a multiple of 4?
  8. A box has 30 tickets numbered 1 to 30. One is picked at random. What is the probability that its number is a multiple of 5?
  9. A box has 24 tickets numbered 1 to 24. One is picked at random. What is the probability that its number is a multiple of 6?

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