# S.chand books class 8 maths solution chapter 29 Graphical Representation of Data exercise 29 A

EXERCISE 29 A
1.The following table shows the number of students in a school playing five different games.
<div style=”overflow: auto;”>
<table style=”border-collapse;” border=”1″>
<tr><th>Games</th><td>Football</td><td>Hockey</td><td>Cricket</td><td>Tennis</td><td>Squash</td></tr>
<tr><th>Number of students</th><td>200</td><td>175</td><td>250</td><td>75</td><td>50</td></tr>
</table>
</div>
Present this information on a bar graph

2.The following table shows how a student spends his pocket money during the course of a month
<div style=”overflow: auto;”>
<table style=”border-collapse;” border=”1″>
<tr><th>Item</th><td>Food</td><td>Entertainment</td><td>Other expenditure</td><td>Savings</td></tr>
<tr><th>Expenditure</th><td>40%</td><td>25%</td><td>20%</td><td>15%</td></tr>
</table>
</div>
If the pocket money in 1000 rupees , represent the above information on a table showing expenditure in rupees. Then draw a bar graph showing the expenditure.

3.Given alongside is a graph showing the areas(in thousand square miles) of the five Great Lakes . Read the bar graph carefully and answer the questions given below.
(i) How many square mile sof area is represented by 1cm block on the vertical axis ?
(ii) The area of the largest lake is about how many times the area of the smallest lake ? Also , name the smallest and largest lakes.
(iii) How much is Lake Erie larger in area than Lake Ontario ?
(iv) Between which teo lakes in the different in area the least ?

4.This double column graph compares the average number of hours an electrical appliance is used on weekdays and weekends.