R6 express a multiplicative relationship between two quantities as a ratio or a fraction Quiz: Pearson Edexcel Maths, Unit 3

The 20 questions

1. The ratio A:B = 3:1 expresses that A is

   • 3 times B
   • one third of B
   • 3 more than B
   • equal to B

2. If A = 2B, the fraction B/A equals

   • 2
   • 1/3
   • 1/2
   • 2/1

3. 20 compared with 5 is a multiplicative relationship of

   • 4 times
   • 15 times
   • 5 times
   • 1/4 times

4. What term describes the fixed number used to scale one quantity to another in a multiplicative relationship?

   • divisor
   • intercept
   • coefficient
   • multiplier

5. In the ratio A:B = 2:5, B is how many times A?

   • 2 times
   • 5 times
   • 0.4 times
   • 2.5 times

6. 4 as a fraction of 12 is

   • 3
   • 1/3
   • 3/4
   • 1/4

7. If the ratio of tea to milk is 4:1, the milk is what fraction of the tea?

   • 4/5
   • 1/4
   • 1/5
   • 4

8. The multiplicative relationship from 3 to 12 is

   • multiply by 3
   • multiply by 4
   • divide by 12
   • add 9

9. The ratio 3:4 expressed as a fraction of the first to the second is

   • 4/3
   • 1/4
   • 3/7
   • 3/4

10. If B costs £8 and A costs 3 times as much as B, A costs

    • £11
    • £5
    • £24
    • £16

11. A rectangle's length is 2.5 times its width. If the width is 4 cm, the length is

    • 10 cm
    • 8 cm
    • 6.5 cm
    • 1.6 cm

12. The ratio of boys to girls is 2:3. Girls as a fraction of boys is

    • 2/3
    • 2/5
    • 3/5
    • 3/2

13. Speed A is 1.5 times speed B. If B is 40 mph, A is

    • 26.7 mph
    • 48 mph
    • 80 mph
    • 60 mph

14. A price rises from £20 to £30. The new price is multiplied by

    • 1.5
    • 2
    • 1.25
    • 0.67

15. In the ratio 5:8, the second quantity is how many times the first?

    • 0.625
    • 1.5
    • 2.5
    • 1.6

16. Quantity 5 is multiplied by k to give 35. The value of k is

    • 7
    • 5/35
    • 30
    • 1/7

17. Quantity A is 3 times quantity B, and A + B = 48. Quantity B is

    • 24
    • 16
    • 36
    • 12

18. The ratio of an area of 6 cm^2 to an area of 24 cm^2 is

    • 1:18
    • 4:1
    • 1:4
    • 1:6

19. Quantities A:B = 3:5. A as a fraction of the total is

    • 3/2
    • 3/5
    • 3/8
    • 5/8

20. If x is 2.5 times y, and y is 0.8 times z, then x is how many times z?

    • 3.3 times
    • 1.25 times
    • 0.5 times
    • 2 times

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