L1-31 Use equally likely outcomes to find the probabilities of simple events and express them as fractions Quiz: Pearson Edexcel Functional Skills Maths, Unit 1

The 20 questions

1. How is the theoretical probability of a simple event calculated?

   • favourable minus total
   • total over favourable
   • favourable over total
   • favourable plus total

2. What is the probability of rolling a 4 on a fair dice?

   • 1/6
   • 1/3
   • 1/4
   • 2/3

3. What is the probability of rolling an even number on a fair dice?

   • 1/3
   • 1/2
   • 2/3
   • 1/6

4. A bag has 3 red and 5 blue counters. What is the probability of picking blue?

   • 3/5
   • 5/3
   • 5/8
   • 3/8

5. A card is picked from a standard 52-card deck. What is the probability it is an ace?

   • 1/4
   • 4/13
   • 1/52
   • 1/13

6. Why must probability outcomes be equally likely?

   • fixed numbers
   • equal chance
   • greater total
   • more outcomes

7. A letter is picked at random from the word MATHS. What is the probability of picking a vowel?

   • 1/5
   • 2/5
   • 1/4
   • 4/5

8. What is the probability of not rolling a 6 on a fair dice?

   • 5/6
   • 6/5
   • 1/5
   • 1/6

9. A bag holds 4 green, 6 yellow and 10 pink counters. What is the probability of picking green?

   • 1/4
   • 4/10
   • 2/5
   • 1/5

10. A spinner has 8 equal sections, 2 of them red. What is the probability of red in simplest form?

    • 2/8
    • 1/4
    • 1/8
    • 1/2

11. A letter is picked at random from SCHOOL. What is the probability it is an O?

    • 2/3
    • 1/2
    • 1/6
    • 1/3

12. A whole number from 1 to 20 is chosen at random. What is the probability it is a multiple of 5?

    • 1/5
    • 1/4
    • 1/20
    • 4/5

13. A day of the week is chosen at random. What is the probability it is a weekend day?

    • 2/5
    • 1/7
    • 5/7
    • 2/7

14. A class of 30 pupils has 12 girls. What is the probability a random pupil is a boy, in simplest form?

    • 2/5
    • 3/2
    • 3/5
    • 12/30

15. A bag has 15 sweets and 5 are mints. What is the probability of not picking a mint?

    • 3/2
    • 2/3
    • 1/3
    • 5/10

16. A spinner has sections numbered 1 to 5. What is the probability it lands on a prime number?

    • 2/5
    • 3/5
    • 1/2
    • 3/4

17. A jar contains 9 marbles, 3 of which are glass. What is the probability of picking a glass marble?

    • 9/3
    • 2/3
    • 1/3
    • 1/9

18. A number from 1 to 50 is picked at random. What is the probability it is a square number?

    • 1/7
    • 8/50
    • 7/50
    • 6/50

19. A whole number from 1 to 20 is chosen at random. What is the probability it is prime?

    • 3/10
    • 1/2
    • 2/5
    • 2/3

20. What is 3/10 written as a percentage?

    • 0.3%
    • 30%
    • 3%
    • 33%

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