Lesson R11

R11 use compound units such as speed, rates of pay, unit pricing, density and pressure Quiz: Pearson Edexcel Maths, Unit 3

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson R11, use compound units such as speed, rates of pay, unit pricing, density and pressure: 20 multiple choice questions for the Pearson Edexcel GCSE Maths (1MA1), Unit 3: Ratio, proportion and rates of change, written with Revision Ninja.

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The 20 questions

  1. Density is found by dividing mass by which quantity?

    • Volume
    • Area
    • Time
    • Length

  2. Pressure is calculated by dividing force by which quantity?

    • Volume
    • Area
    • Mass
    • Length

  3. Speed is calculated by dividing distance by which quantity?

    • Force
    • Area
    • Time
    • Mass

  4. How is the unit price of an item calculated?

    • Cost minus quantity
    • Quantity divided by cost
    • Cost multiplied by quantity
    • Cost divided by quantity

  5. How is an hourly rate of pay calculated?

    • Hours divided by pay
    • Pay multiplied by hours
    • Pay divided by hours
    • Pay minus hours

  6. What physical quantities make up density in g/cm cubed?

    • Force and area
    • Distance and time
    • Weight and height
    • Mass and volume

  7. What two quantities are used to calculate pressure?

    • Mass and volume
    • Speed and time
    • Weight and length
    • Force and area

  8. To convert a speed from km/h to m/s, you divide by:

    • 1000
    • 60
    • 3.6
    • 36

  9. A car travels 150 km in 2.5 hours. What is its average speed?

    • 60 km/h
    • 6 km/h
    • 52.5 km/h
    • 375 km/h

  10. A metal block has mass 540 g and volume 60 cm³. What is its density?

    • 9 g/cm³
    • 32 400 g/cm³
    • 600 g/cm³
    • 0.11 g/cm³

  11. A worker earns £96 for 8 hours. What is the hourly rate?

    • £11 per hour
    • £12 per hour
    • £768 per hour
    • £14 per hour

  12. Pack A holds 500 g for £1.75. Pack B holds 750 g for £2.55. Which pack is cheaper per 100 g?

    • Pack B, costing 3.4p per 100 g
    • Pack B, costing 34p per 100 g
    • Pack A, costing 35p per 100 g
    • Pack A, costing 0.35p per 100 g

  13. A force of 600 N acts on an area of 0.15 m². What is the pressure?

    • 400 Pa
    • 4 Pa
    • 90 Pa
    • 4000 Pa

  14. A liquid has density 0.8 g/cm³ and volume 250 cm³. What is its mass?

    • 312.5 g
    • 200 g
    • 20 g
    • 2.5 g

  15. A car moves at 25 m/s for 40 seconds. How far does it travel?

    • 625 m
    • 1000 m
    • 100 m
    • 1600 m

  16. A force of 240 N acts on 0.4 m². The same force now acts on 0.6 m². What is the new pressure?

    • 400 Pa
    • 160 Pa
    • 600 Pa
    • 240 Pa

  17. A train travels 45 km in 30 minutes, then 60 km in 40 minutes. What is its average speed for the whole journey?

    • 95 km/h
    • 75 km/h
    • 105 km/h
    • 90 km/h

  18. A bottle of oil has density 0.92 g/cm³ and mass 460 g. What is its volume?

    • 0.002 cm³
    • 423.2 cm³
    • 460 cm³
    • 500 cm³

  19. A worker earns £560 for a 40-hour week. Hours beyond 40 are paid at 1.5 times the normal rate. What is the total pay for 48 hours?

    • £728
    • £784
    • £588
    • £672

  20. A pump delivers 3.6 litres of water per second. How many litres does it deliver in 2 hours?

    • 432 litres
    • 259.2 litres
    • 2592 litres
    • 25 920 litres

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