Quiz
Ratio and proportion
Level A
Circle the right answer for each question.
1) Ratio tells us the size of two or more amounts compared to each
other. True or false?
A) True
B) False
2) There are 5 women and 1 man at a bus stop. What is the ratio of
women to men?
A) 1:5
B) 5:1
C) 1:4
D) 4:1
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3) Reuben and Jonah have £20 to share. Reuben gets £15 and Jonah
gets £5. Reuben and Jonah have shared the money in which ratio?
A) 5:15
B) 20:15
C) 5:20
D) 15:5
4) In a grocery shop, if the ratio of apples to oranges is 2:1, what is the
ratio of oranges to apples?
A) 2:1
B) 1:1
C) 1:2
D) 3:5
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5) On a roll of wallpaper there are some birds and flowers. Each bird
has 6 flowers round it. What is the ratio of flowers to birds?
A) 6:1
B) 1:6
C) 1:5
D) 7:1
6) At a children's party, there is one adult for every three children. What
is the ratio of adults to children?
A) 3:1
B) 4:1
C) 1:3
D) 1:2
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Quiz
Ratio and proportion
Level B
Circle the right answer for each question.
1) In a recipe for pastry, the ratio of flour to butter is 2:1. What does this
mean?
A) Use two times as much butter as flour.
B) Use three times as much flour as butter.
C) Use two times as much flour as butter.
D) Use the same amount of butter and flour.
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2) The French flag has one white stripe, one blue stripe and one red
stripe. All the stripes are the same size. What is the ratio of blue to
white to red?
A) 1:1
B) 1:2:1
C) 2:1:1
D) 1:1:1
3) Manager A has a budget of £50 million. Manager B has a budget of
£20 million. What is the ratio of the budget of Manager B to the
budget of Manager A?
A) 50:20
B) 20:50
C) 20:30
D) 10:70
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4) Andrew and Nina share some money in the ratio 1:4. What does this
mean?
A) Nina gets 4 times as much money as Andrew.
B) Andrew gets 4 times as much money as Nina.
C) Nina gets 5 times as much money has Andrew.
D) Andrew has half as much money as Nina.
5) At a conference, the ratio of women to men is 2:3. What does this
mean?
A) For every 3 women there are 2 men.
B) For every 2 women there are 3 men.
C) For every 2 men there are 2 women.
D) For every 5 men there are 3 women.
6) At a nursery, a rule states that the ratio of staff to babies must be at
least 1:1. There are 3 members of staff and 4 babies. Are they
breaking the rule or not?
A) Yes
B) No
C) You can't tell from this information
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Quiz
Ratio and proportion
Level C
Circle the right answer for each question.
1) On a map, 1 centimetre on the page means 500 metres in real life.
How might this be written?
A) 1 cm : 50 m
B) 50 cm : 10 m
C) 1 cm : 500 m
D) 1 cm : 1 m
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2) Lisa is making grey paint. She mixes black paint and white paint in
the ratio 1:5. If she changes the ratio of black paint to white paint to
2:5, how will this affect the colour?
A) it will be darker
B) it will be lighter
C) it will be the same as before
3) The flag for Nigeria has 3 stripes, all the same size. The ratio of green
stripes to white stripes is 2:1. Which of these statements is not true?
A) There is twice as much green as white on the flag.
B) There is three times as much green as white on the flag.
C) There are 2 green stripes and 1 white stripe.
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4) Asha is making sweet pancakes. The ratio of flour to sugar she uses
is 5:2. Asha wants to make her pancakes more healthy so she halves
the amount of sugar but keeps the flour the same. What is the new
ratio of flour to sugar?
A) 2:5
B) 5:1
C) 2.5:1
D) 10:2
5) Two employers advertise some new jobs. For employer A, the ratio of
people applying to the number of jobs advertised is 40:1. For
employer B, the ratio of people applying to the number of jobs
advertised is 25:1. Which is the more popular employer to work for?
A) Employer A
B) Employer B
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6) In a study of red squirrels it was found that the ratio of nuts buried to
nuts recovered was 3:2. What does this mean?
A) For every 2 nuts that they bury, red squirrels recover 3.
B) Red squirrels recover every nut that they bury.
C) Red squirrels lose half of the nuts that they bury.
D) For every 3 nuts that they bury, red squirrels only recover 2.
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Quiz - answers
Ratio and proportion
Level A
1) Ratio tells us the size of two or more amounts compared to each
other. True or false?
The correct answer is A. It is true. Ratio allows us to compare the
sizes of 2 or more amounts in relation to each other.
2) There are 5 women and 1 man at a bus stop. What is the ratio of
women to men?
The correct answer is B. The ratio of women to men is 5:1. There are
5 women and 1 man.
3) Reuben and Jonah have £20 to share. Reuben gets £15 and Jonah
gets £5. Reuben and Jonah have shared the money in which ratio?
The correct answer is D. The ratio of Reuben's share to Jonah's
share is 15:5. Reuben has £15 and Jonah has £5.
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4) In a grocery shop, if the ratio of apples to oranges is 2:1, what is the
ratio of oranges to apples?
The correct answer is C. If the ratio of apples to oranges is 2:1, this
means there are 2 apples for each orange. So the ratio of oranges to
apples is 1:2. There is 1 orange for every 2 apples.
5) On a roll of wallpaper there are some birds and flowers. Each bird
has 6 flowers round it. What is the ratio of flowers to birds?
The correct answer is A. There are 6 flowers for every bird, so the
ratio of flowers to birds is 6:1.
6) At a children's party, there is one adult for every three children. What
is the ratio of adults to children?
The correct answer is C. The ratio of adults to children is 1:3. There
is 1 adult for every 3 children.
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Quiz - answers
Ratio and proportion
Level B
1) In a recipe for pastry, the ratio of flour to butter is 2:1. What does this
mean?
The correct answer is C. If the ratio of flour to butter is 2:1 then this
means that there is two times as much flour as butter.
2) The French flag has one white stripe, one blue stripe and one red
stripe. All the stripes are the same size. What is the ratio of blue to
white to red?
The correct answer is D. There are equal amounts of blue, white and
red, so the ratio of blue to white to red is 1:1:1.
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3) Manager A has a budget of £50 million. Manager B has a budget of
£20 million. What is the ratio of the budget of Manager B to the
budget of Manager A?
The correct answer is B. The ratio of Manager B's budget to Manager
A's budget is 20:50. You could also say it is 20 million:50 million.
4) Andrew and Nina share some money in the ratio 1:4. What does this
mean?
The correct answer is A. If Andrew and Nina share the money in the
ratio 1:4 then Nina gets 4 times as much money as Andrew.
5) At a conference, the ratio of women to men is 2:3. What does this
mean?
The correct answer is B. If the ratio of women to men is 2:3 this
means that there are 2 women for every 3 men.
6) At a nursery, a rule states that the ratio of staff to babies must be at
least 1:1. There are 3 members of staff and 4 babies. Are they
breaking the rule or not?
The correct answer is A. If the ratio of staff to babies is at least 1:1
then there must be at least the same number of staff as babies. So
the nursery is breaking the rule.
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Quiz - answers
Ratio and proportion
Level C
1) On a map, 1 centimetre on the page means 500 metres in real life.
How might this be written?
The correct answer is C. If 1 cm on the map represents 500 m in real
life, then scale of the map can be written as 1 cm : 500 m.
2) Lisa is making grey paint. She mixes black paint and white paint in
the ratio 1:5. If she changes the ratio of black paint to white paint to
2:5, how will this affect the colour?
The correct answer is A. It will be darker. Lisa has doubled the
amount of black paint but kept the amount of white paint the same as
before.
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3) The flag for Nigeria has 3 stripes, all the same size. The ratio of
green stripes to white stripes is 2:1. Which of these statements is not
true?
The correct answer is B. If the ratio of green to white is 2:1 then there
is twice as much green as white. If there are 3 stripes then 2 of them
must be green.
4) Asha is making sweet pancakes. The ratio of flour to sugar she uses
is 5:2. Asha wants to make her pancakes more healthy so she halves
the amount of sugar but keeps the flour the same. What is the new
ratio of flour to sugar?
The correct answer is B. Asha is now using half as much sugar. Half
of 2 is 1. This gives a flour to sugar ratio of 5:1.
5) Two employers advertise some new jobs. For employer A, the ratio
of people applying to the number of jobs advertised is 40:1. For
employer B, the ratio of people applying to the number of jobs
advertised is 25:1. Which is the more popular employer to work for?
The correct answer is A. For employer A, there are 40 people
applying for each job advertised. For employer B, there are 25
people applying for each job advertised. So more people want to
work for employer A than employer B.
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6) In a study of red squirrels it was found that the ratio of nuts buried to
nuts recovered was 3:2. What does this mean?
The correct answer is D. If the ratio of nuts buried to nuts recovered
is 3:2, then for every 3 nuts that they bury, red squirrels only recover
2.
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