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JAMB and WAEC Mathematics questions: Probability

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

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  1. Question 1· Probability· JAMB

    A fair die is thrown once. What is the probability of NOT getting a 6?

    Explanation and discussion

  2. Question 2· Probability· WAEC

    A fair die is thrown once. The probability of a number greater than 4 is

    Explanation and discussion

  3. Question 3· Probability· JAMB

    Two fair dice are thrown. What is the probability that the total is 7?

    Explanation and discussion

  4. Question 4· Probability· JAMB

    A fair die is thrown once. What is the probability of getting a prime number?

    Explanation and discussion

  5. Question 5· Probability· JAMB

    Two coins are tossed together. What is the probability of getting at least one head?

    Explanation and discussion

  6. Question 6· Probability· WAEC

    A number is chosen at random from 1 to 30. What is the probability that it is a multiple of 6?

    Explanation and discussion

  7. Question 7· Probability· JAMB

    Two fair dice are thrown. What is the probability that the total score is 12?

    Explanation and discussion

  8. Question 8· Probability· JAMB

    Two fair dice are thrown. What is the probability that the total is less than 4?

    Explanation and discussion

  9. Question 9· Probability· WAEC

    A fair die is thrown once. What is the probability of getting a number less than 3?

    Explanation and discussion

  10. Question 10· Probability· JAMB

    A bag contains 4 red and 6 blue balls. Two balls are drawn one after the other without replacement. Find the probability that both are red.

    Explanation and discussion

  11. Question 11· Probability· WAEC

    The probability that it rains tomorrow is 0.35. The probability that it does not rain is

    Explanation and discussion

  12. Question 12· Probability· JAMB

    A bag contains 4 white and 6 black balls. One ball is picked at random. Find the probability that it is white.

    Explanation and discussion

  13. Question 13· Probability· WAEC

    A bag contains 5 red, 3 green and 2 yellow balls. What is the probability that a ball picked at random is not red?

    Explanation and discussion

  14. Question 14· Probability· JAMB

    A box contains 5 red and 3 blue balls. Two balls are drawn at random without replacement. Find the probability that one is red and one is blue.

    Explanation and discussion

  15. Question 15· Probability· WAEC

    The probability that it will rain tomorrow is 0.35. What is the probability that it will not rain?

    Explanation and discussion

  16. Question 16· Probability· WAEC

    A box contains 4 white and 6 black balls. Two are drawn without replacement. The probability that both are white is

    Explanation and discussion

  17. Question 17· Probability· JAMB

    A bag holds 3 red, 4 green and 5 blue balls. One ball is drawn. Find the probability that it is not green.

    Explanation and discussion

  18. Question 18· Probability· WAEC

    Two dice are thrown. The probability that the sum is 7 is

    Explanation and discussion

  19. Question 19· Probability· JAMB

    The probabilities that two marksmen hit a target are 0.5 and 0.4. They shoot independently. Find the probability that both miss.

    Explanation and discussion

  20. Question 20· Probability· WAEC

    Two fair coins are tossed. The probability of two heads is

    Explanation and discussion

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