# Worksheets for Graph and Data sums

1) The graph below shows the amount of money collected from 4 games stalls at a carnival.

(a) What is the average amount of money collected from each games stall?

(b) If Games stall C wants its collection to be 20% more than games stall B, how much more money must it earn?

Ans :- (a) \$300 collected from each games stall ,
(b)It must earn \$165 more.

2) The pie chart below shows the number of pupils who played in the different games on the annual Sports Day.

(a) The total number of participants on Sports Day was 3600. How many fewer participants were there in Basketball than Floorball?
(b) How many participants played Frisbee?

Ans :- a) 72 fewer participants were there in basketball than floorball.
b)216 participants played Frisbee

3) The graph below shows the distribution of children per household in a particular estate.
(a) How many households in the estate have more than 1 child?
(b) Find the total number of children in the estate.

Ans :- a) 220 households have more than 1 child,
b) there are total 560 children in estate.

4) The graph below shows the mass of a container when it is empty and when different combinations of objects X, Y and Z are placed in it.

What is the average mass of the objects X, Y and Z?

Ans :- Average mass of x,y and z is 90g

5) The graph below shows the number of children who visited a library during a certain week.

(a) Find the total number of children who visited the library on Friday and Saturday.
(b) There were 40% fewer children on Saturday than on ____________.

Ans :- a) 50 children
b) There were 40% fewer children on Saturday than on Sunday

6) The pie chart below shows the number of different types of canned drinks sold in a day. PQ is the diameter of the circle. O is the centre of the circle.
(a) If only 15 cans of Pepsi were sold, what was the total number of canned drinks sold that day?
(b) How many more percent of 7-UP canned drinks than iced-lemon tea canned drinks were sold?

Ans :- a) 300 canned drink were sold that day
b) 125% more 7 up canned drinks than iced-lemon tea drink's were sold.

7) The bar graph shows the number of books borrowed from a library each year from 2005 to 2009.

(a) In 2007, the number of books borrowed was in the ratio of 1 non-fiction book to 9 fiction books. How many more fiction books than non-fiction books were borrowed in 2007.
(b) The average number of books borrowed from 2004 to 2008 was 6500. Find the number of books borrowed in 2004.

Ans :- a) 6800
b) 8500.

8) The line graph below shows the amount of money donated by 5 classes. Find the average amount of money donated by each class.

Ans :- Average \$1360 was donated by each class.

9) The pie chart shows 4 types of fruits sold by a fruiteer in a certain period. The number of pears sold was 120 less than the number of oranges. Study the chart carefully and answer the following 2 questions.

(a) What is the total number of fruits sold?
(b) If the ratio of the number of guavas sold to the number of apples sold was 3 : 5, find the number of guavas sold.

Ans :- a) 1080 b) 225.

10) The pie chart shows the distribution of various makes of cars parked at a carpark. If the ratio of the number of Mazda cars to the number of Toyota cars was 3 : 5 and the number of Honda cars was 208, find the answers to the following 2 questions.
(a) How many percent of the cars were Mazda?
(b) How many Nissan cars were there?

Ans :- a) 15% b) 104.