Lesson R4

R4 Ratio notation and simplest form Quiz: AQA Maths, Unit 3

20 questions

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Lesson R4, Ratio notation and simplest form: 20 multiple choice questions for the AQA GCSE Maths (8300), Unit 3: Ratio, proportion and rates of change, written with Revision Ninja.

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The 20 questions

  1. Simplify the ratio 12:18.

    • 4:6
    • 6:9
    • 3:2
    • 2:3
  2. Simplify the ratio 20:45.

    • 4:9
    • 20:45
    • 5:11
    • 2:9
  3. Simplify the ratio 3:4.5.

    • 1:1.5
    • 3:4.5
    • 2:3
    • 6:9
  4. Simplify the ratio 0.6:1.2.

    • 0.6:1.2
    • 2:1
    • 3:6
    • 1:2
  5. Simplify the ratio 2/3 : 1/2.

    • 2:3
    • 3:4
    • 4:3
    • 1:6
  6. Simplify the ratio 250 g : 1.5 kg.

    • 250:1500
    • 5:3
    • 1:5
    • 1:6
  7. A ratio has parts 5 : 3 : 2. How many parts are there in total?

    • 3 parts
    • 5 parts
    • 10 parts
    • 6 parts
  8. Which is the simplest form of 36:48:60?

    • 3:4:5
    • 9:12:15
    • 6:8:10
    • 36:48:60
  9. Write 4:10 in the form 1 : n.

    • 1 : 2.5
    • 1 : 0.4
    • 1 : 10
    • 1 : 4
  10. A recipe uses flour to sugar in the ratio 3:2. There are 300 g of flour. How much sugar is needed?

    • 200 g
    • 450 g
    • 150 g
    • 600 g
  11. Simplify the ratio 15:25:40.

    • 15:25:40
    • 6:10:16
    • 3:5:4
    • 3:5:8
  12. Which ratio is equivalent to 2:7?

    • 7:2
    • 4:7
    • 2:14
    • 4:14
  13. A bag has red to blue in the ratio 4:5. There are 36 red counters. How many blue counters are there?

    • 32
    • 45
    • 36
    • 40
  14. Simplify the ratio 1 1/2 : 2 1/4.

    • 6:4
    • 2:4
    • 2:3
    • 3:4
  15. Simplify the ratio 80 cm : 2 m.

    • 2:5
    • 8:2
    • 80:200
    • 4:10
  16. A ratio a:b = 2:5 and a = 6. What is b?

    • 12
    • 3
    • 15
    • 30
  17. Which ratio is in simplest form?

    • 21:27
    • 14:18
    • 35:45
    • 7:9
  18. Simplify the ratio 0.25 : 0.75.

    • 1:3
    • 3:1
    • 1:4
    • 1:2
  19. A:B = 2:3 and B:C = 3:4. What is A:B:C?

    • 4:3:4
    • 3:4:6
    • 2:3:4
    • 2:3:5
  20. (H) A:B = 1:2 and B:C = 4:5. What is A:C?

    • 1:5
    • 2:5
    • 2:4
    • 4:5

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