Mixed ratio questions

Bob Read
Quiz by Bob Read, updated more than 1 year ago
Bob Read
Created by Bob Read about 6 years 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?
Answer
  • 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?
Answer
  • £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?
Answer
  • 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?
Answer
  • 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?
Answer
  • 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?
Answer
  • 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?
Answer
  • 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?
Answer
  • 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?
Answer
  • 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?
Answer
  • 24 g
  • 30 g
  • 25 g
Show full summary Hide full summary

Similar

Fractions and percentages
Bob Read
Maths GCSE - What to revise!
livvy_hurrell
GCSE Maths Symbols, Equations & Formulae
livvy_hurrell
HISTOGRAMS
Elliot O'Leary
GCSE Maths Symbols, Equations & Formulae
Andrea Leyden
CUMULATIVE FREQUENCY DIAGRAMS
Elliot O'Leary
GCSE Maths: Geometry & Measures
Andrea Leyden
FREQUENCY TABLES: MODE, MEDIAN AND MEAN
Elliot O'Leary
New GCSE Maths
Sarah Egan
GCSE Maths: Understanding Pythagoras' Theorem
Micheal Heffernan
Using GoConqr to study Maths
Sarah Egan