PRACTICE QUESTIONS ON PIE CHARTS WORKSHEET

Problem 1 :

The pie chart shows the result of a survey of 120 year 7 students. The students were asked the question: What is the favorite sport ?

Use the chart to determine :

a)  The most popular sport

b)  the least popular sport

c) the number of students whose favorite sport is basket ball

d) the number of students whose favorite sport is tennis.

Solution

Problem 2 :

The pie chart alongside illustrates the proportion of water required for various household uses.

a) For what purpose is the most water used?

b) For what purpose is the least amount of water used?

c) If the household used 400 kilolitres of water during a particular period, estimate the quantity of water used for:

i) showering     ii) cleaning

Solution

Problem 3 :

The pie chart alongside shows the percentages of women in France who wear certain sizes of clothing.

a) Find what size is most commonly worn.

b) A group of 200 women attends a fashion parade.

Estimate how many would wear size 10 clothing

Solution

Problem 4 :

a) What was the major disease causing death as a result of smoking?

b) What 2 groups of diseases made up 50% of all smoking related deaths?

c) If 20 000 people died in one year as a result of smoking, estimate how many died from:

i) heart disease

ii) lung cancer

iii) other cancers?

Solution

Problem 5 :

A youth club has two rugby teams, Under 13ʼs and Under 15ʼs. The pie charts show information about the number of games each team won and lost, last season.

• The Under 13ʼs played 28 matches.
• The Under 15ʼs played 18 matches.

Which team won more matches? Show your workings.

Solution

Problem 6 :

The pie chart shows types of properties in a street with 80 properties.

(a) Work out the percentage of properties that are semi-detached. ..............................%

(b) Work out the number of semi-detached properties.

Solution