Ratios Quiz

Description

This quiz tests the users basic understanding of ratios and how to use them
rory.examtime
Quiz by rory.examtime, updated more than 1 year ago
rory.examtime
Created by rory.examtime about 10 years ago
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Resource summary

Question 1

Question
The ratio of apples to oranges in a fruit basket is 7:3. If there are 21 oranges, how many apples are there?
Answer
  • 9
  • 27
  • 49
  • 63

Question 2

Question
Which of the following is an example of odds notation?
Answer
  • 15 to 7
  • 15:7
  • 15/7

Question 3

Question
The total number of ducks and geese in a pond is 40. If there are 12 ducks, what is the ratio of ducks to geese?
Answer
  • 3:7
  • 7:3
  • 3:10
  • 10:3

Question 4

Question
There are 30 students in a class, the ratio of boys to girls is 2:1. Assuming the same number of boys, how many more girls are needed in the class to invert this ratio (i.e so that it is 1:2)?
Answer
  • 10
  • 20
  • 30
  • 40

Question 5

Question
Out of 100 pens, 30 are red, 45 are blue and the rest are green. Which of the following expresses the ratio of red pens to green pens to blue pens?
Answer
  • 6:9:5
  • 5:9:6
  • 6:5:9
  • 9:6:5

Question 6

Question
x:4 = 3:28 x = ?
Answer
  • 28/12
  • 4/3
  • 7/4
  • 3/7

Question 7

Question
If x is 4 times bigger than y, and the difference between x and y is 9, what is x equal to?
Answer
  • 10
  • 24
  • 9
  • 12

Question 8

Question
The scale on a map is 9cm : 10km. If two cities are 80km apart, how far away are they on the map?
Answer
  • 80cm
  • 63cm
  • 72cm
  • 90cm

Question 9

Question
For every 6 apples Tom buys, he eats 2, and gives 2 to his sister. For every 5 apples his sister gets from Tom, she eats 3. If Tom buys 60 apples, how many of them will be eaten?
Answer
  • 15
  • 24
  • 48
  • 32

Question 10

Question
John has 4 times more pencils than Megan. He gives he Megan 4 pencils, and now he only has twice as many pencils. How many pencils did Megan start with?
Answer
  • 2
  • 4
  • 5
  • 6
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