Karen Morrison and Nick Hamshaw Solutions for Exercise 2: Exercise 21.2

Author:Karen Morrison & Nick Hamshaw

Karen Morrison Mathematics Solutions for Exercise - Karen Morrison and Nick Hamshaw Solutions for Exercise 2: Exercise 21.2

Attempt the practice questions from Exercise 2: Exercise 21.2 with hints and solutions to strengthen your understanding. Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition solutions are prepared by Experienced Embibe Experts.

Questions from Karen Morrison and Nick Hamshaw Solutions for Exercise 2: Exercise 21.2 with Hints & Solutions

EASY
Upper Secondary: IGCSE
IMPORTANT

Find the unknown value in the following equivalent ratio.

4:5=x:7

EASY
Upper Secondary: IGCSE
IMPORTANT

Find the unknown value in the following equivalent ratio.

5:4=9:y

EASY
Upper Secondary: IGCSE
IMPORTANT

Say whether the following statement is true or false. If a statement is false, explain why it is false.

The ratio 1:6 is the same as the ratio 6:1

EASY
Upper Secondary: IGCSE
IMPORTANT

Say whether the following statement is true or false. If a statement is false, explain why it is false.

The ratio 1:6 is equivalent to 3:18.

EASY
Upper Secondary: IGCSE
IMPORTANT

Say whether the following statement is true or false. If a statement is false, explain why it is false.

The ratio 20:15 can be expressed as 3:4.

EASY
Upper Secondary: IGCSE
IMPORTANT

Say whether the following statement is true or false. If a statement is false, explain why it is false.

If the ratio of a mother's age to her daughter's age is 8:1 ,  the daughter will be nine when her mother is 48 years old.

EASY
Upper Secondary: IGCSE
IMPORTANT

Say whether the following statements is true or false. If statement is false, explain why it is false.

If Mr. Smith's wage is 58of Mr. Jones's wages, then the ratio of their wage is 20:32 

MEDIUM
Upper Secondary: IGCSE
IMPORTANT

A brand of pet food contains meat and cereal in the ratio 2:9. During one shift, the factory making the pet food used 3500 kg of meat. What mass of cereal did they use? (Answer in kg)