# Mixed ratio questions

Quiz by Bob Read, updated more than 1 year ago
54
1

### Description

- a set of mixed ratio covering these strategies: scaling up & down; comparing two amounts in their simplest form; dividing according to a ratio

## Resource summary

### Question 1

Question
On a school trip the ratio of adults to children should be 1:4. How many adults would be needed for a group of 30 children?
• 8
• 7
• 9

### Question 2

Question
A 150 ml bottle of perfume costs £3.80. A 450 ml bottle costs £9.99. How much do you save if you buy the bigger bottle?
• £1.41
• £14.10
• £1.40

### Question 3

Question
150 g of wholemeal flour is mixed with 600 g of white flour to make a loaf of bread. What is the ratio of wholemeal flour to white flour?
• 4:1
• 1:4
• 2:3

### Question 4

Question
500 ml of concentrated fruit juice is mixed with 2.5 litres of water to make a breakfast drink in a hotel. What is the ratio of concentrate to water?
• 5:1
• !:5
• 1:10

### Question 5

Question
To make a jam you mix sugar with fruit in the ratio of 3:2. How much fruit do you use in making a 450 g of the jam?
• 270 g
• 180 g
• 90 g

### Question 6

Question
To make a mortar to lay some bricks you mix sand with cement in the ratio of 3:1. How much cement do you use in making a 12 kg of the mortar?
• 9 kg
• 4 kg
• 3 kg

### Question 7

Question
In making enough fruit punch mix for 12 glasses a woman uses 600 ml of orange juice. How much juice would she need to make 48 glasses?
• 2.4 litres
• 240 ml
• 24 litres

### Question 8

Question
On a college course there are 36 male students and 60 female students. What is the ratio of men to women?
• 3:5
• 5:3
• 2:3

### Question 9

Question
To make an alloy you mix copper with tin in the ratio of 3:4. How much copper do you use in making a 420 g of the alloy?
• 180 g
• 1.80 g
• 240 g

### Question 10

Question
To make 10 litres of weed killer a gardener adds 120 g of powder. How much powder would he use if he only wanted to make 2 litres?
• 24 g
• 30 g
• 25 g

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