Unit Quiz: Ratio, real life graphs, and rates of change
Close
Q1. Pete is painting the walls of his bedroom. So far he has used 5 litres of paint and covered 24 m² of wall. What area will 20 litres cover?
Options:
- 48 m²
- 96 m²
- 72 m²
- 100 m²
Correct Answer:
- 96 m²
Q2. Amara is going on holiday. For every £15 she exchanges, she will receive $19. How much money will she get if she exchanges £112.50?
Options:
- $190.00
- $142.50
- $285.00
- $88.81
Correct Answer:
- $142.50
Q3. Binh cycles 80 kilometres in 5 hours. What is her average speed in kilometres per hour (km/h)?
Options:
- 15 km/h
- 16 km/h
- 400 km/h
- 20 km/h
Correct Answer:
- 16 km/h
Q4. A train travels 75 miles at an average speed of 25 mph. How long does the journey take?
Options:
- 225 hours
- 20 minutes
- 1/3 of an hour
- 3 hours
Correct Answer:
- 3 hours
Q5. Fill in the gap: conversion rates are _______________.
Options:
- uni-directional
- only one way
- bi-directional
- small
Correct Answer:
- bi-directional
Q6. Given that there are 1440 minutes in a day, how many days is 10080 minutes?
Options:
- 5
- 6
- 7
- 8
Correct Answer:
- 7
Q7. Using the graph below, convert £20 to euros.
Options:
- €23
- €24
- €25
- €17
Correct Answer:
- €24
Q8. Convert £30 to US Dollars.
Options:
- $21
- $22
- $41
- $42
Correct Answer:
- $42
Q9. Sam has £320. How many US Dollars is this?
Options:
- $440
- $450
- $448
- $445
Correct Answer:
- $448
Q10. Which of the following is a measure of capacity?
Options:
- litres
- metres
- kilograms
- kilometres
Correct Answer:
- litres
Q11. 5 litres of honey has a mass of 7 kg. What is the mass of 115 litres of honey?
Options:
- 2645 kg
- 161 kg
- 82.1 kg
- 35 kg
Correct Answer:
- 161 kg
Q12. Which ONE of the following statements could be TRUE about the graph below?
Options:
- A car has an average speed of 50 km/h
- A car has an average speed of 25 km/h
- A car has an average speed of 15 km/h
- A car has an average speed of 20 km/h
Correct Answer:
- A car has an average speed of 25 km/h