KS3Practice Questions

Probability

Questions grouped by subtopic. Use each block to reveal solutions.

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Different outcomes

  1. P-Q11 mark
    A coin is tossed. How many different outcomes are there?
  2. P-Q61 mark
    Two coins are tossed. How many different outcomes are there?

Theoretical probability

  1. P-Q21 mark
    A fair die is rolled. Find the probability of getting a 6.
  2. P-Q31 mark
    A bag has 3 red and 1 blue counter. Find the probability of red.
  3. P-Q41 mark
    A spinner has 4 equal sections: 1 green and 3 yellow. Find the probability of not landing on green.

Experimental probability

  1. P-Q51 mark
    A spinner lands on red 8 times out of 20 spins. Estimate the probability of red.

Venn diagrams

  1. P-Q72 marks
    In a class of 20 students, 12 like football, 9 like basketball, and 5 like both. How many like neither?