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

 EXERCISE 29 C

Draw pie charts to represent the following information, working out the angles first.

Question 1

The number of books lent out by a school library each day is shown in the following table.

Day	Monday	Tuesday	Wednesday	Thrusday	Friday
Number of books lent	10	25	33	16	6

Sol :

Question 2

The number of students in a hostel speaking different languages is given below. Present the data in a pie chart.

Language	Hindi	English	Marathi	Tamil	Bengali	Total
Number of students	40	10	8	8	6	72

Sol :

Question 3

The following table shows Mr Kumar’s monthly expenditure.

Food	Rent	Clothing	Transport	Education
30%	15%	10%	20%	25%

Present the data using a pie-chart

Sol :

Question 4

A pie diagram of the marks secured by a student in Maths, English, Physics and Chemistry is shown here. Read the graph and find the marks in Chemistry secured by the student
[Hint : Let the angle of the sector representing the marks in Chemistry be x in degrees.
Then,.. 100° + 75° + 100° + x = 360°. Find x and hence the marks]

Sol :

Question 5

A pie chart representing the population of four cities is shown here. Read the pie chart and f‌ind the population of the city D.
[Hint: Similar to Q.4]

Sol :