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# RD Sharma solutions for Class 8 Mathematics chapter 25 - Data Handling-III (Pictorial Representation of Data as Pie Charts or Circle Graphs)

## Chapter 25: Data Handling-III (Pictorial Representation of Data as Pie Charts or Circle Graphs)

Ex. 25.10Ex. 25.20

#### Chapter 25: Data Handling-III (Pictorial Representation of Data as Pie Charts or Circle Graphs) Exercise 25.10 solutions [Pages 12 - 14]

Ex. 25.10 | Q 1 | Page 12

The number of hours, spent by a school boy on different activities in a working day, is given below:

 Activities Sleep School Home Play Others Total Number of hours 8 7 4 2 3 24

Present the information in the form of a pie-chart.

Ex. 25.10 | Q 2 | Page 12

Employees of a company have been categorized according to their religions as given below:

 Religions Hindu Muslim Sikh Christian Total Number of workers 420 300 225 105 1080

Draw a pie-chart to represent the above information.

Ex. 25.10 | Q 3 | Page 12

In one day the sales (in rupees) of different items of a baker's shop are given below:

 Items Ordinary bread Fruit bread Cakes and Pastries Biscuits Others Total Sales (in Rs) 260 40 100 60 20 480

Draw a pie-chart representing the above sales.

Ex. 25.10 | Q 4 | Page 12

The following data shows the expenditure of a person on different items during a month. Represent the data by a pie-chart.

 Items of expenditure Rent Education Food Clothing Others Amount (in Rs) 2700 1800 2400 1500 2400
Ex. 25.10 | Q 5 | Page 12

The percentages of various categories of workers in a state are given in the following table.

 Categoies Culti-vators Agricultural Labourers Industrial Workers Commercial Workers Others % of workers 40 25 12.5 10 12.5

Present the information in the form a pie-chart.

Ex. 25.10 | Q 6 | Page 12

The following table shows the expenditure incurred by a publisher in publishing a book:

 Items Paper Printing Binding Advertising Miscellaneous Expenditure (in%) 35% 20% 10% 5% 30%

Present the above data in the form of a pie-chart.

Ex. 25.10 | Q 7 | Page 12

Percentage of the different products of a village in a particular district are given below. Draw a pie-chart representing this information.

 Items Wheat Pulses Jwar Grounnuts Vegetables Total % 125/3 125/6 25/2 50/3 25/3 100

Ex. 25.10 | Q 8 | Page 13

Draw a pie-diagram for the following data of expenditure pattern in a family:

 Items Food Clothing Rent Education Unforeseen events Midicine Expenditure (in percent) 40% 20% 10% 10% 15% 5%
Ex. 25.10 | Q 9 | Page 13

Draw a pie-diagram of the areas of continents of the world given in the following table:

 Continents Asia U.S.S.R Africa Europe Noth America South America Australia Area(in million sq. km) 26.9 20.5 30.3 4.9 24.3 17.9 8.5
Ex. 25.10 | Q 10 | Page 13

The following data gives the amount spent on the construction of a house. Draw a pie diagram.

 Items Cement Timber Bricks Labour Steel Miscellaneous Expenditure(in thousand Rs) 60 30 45 75 45 45
Ex. 25.10 | Q 11 | Page 13

The following table shows how a student spends his pocket money during the course of a month. Represent it by a pie-diagram.

 Items Food Entertainment Other expenditure Savings Expenditure 40% 25% 20% 15%
Ex. 25.10 | Q 12 | Page 13

Represent the following data by a pie-diagram:

 Items of expenditure Expenditure Family A Family B Food 4000 6400 Clothing 2500 480 Rent 1500 3200 Education 400 1000 Miscellaneous 1600 600 Total 10000 16000
Ex. 25.10 | Q 13 | Page 13

Following data gives the break up of the cost of production of a book:

 Printing Paper Binding charges Advertisement Royalty Miscellaneous 30% 15% 15% 20% 10% 15%

Draw a pie- diagram depicting the above information.

Ex. 25.10 | Q 14 | Page 13

Represent the following data with the help of a pie-diagram:

 Items Wheat Rice Tea Production (in metric tons) 3260 1840 900
Ex. 25.10 | Q 15 | Page 14

Draw a pie-diagram representing the relative frequencies (expressed as percentage) of the eight classes as given below:
12.6, 18.2, 17.5, 20.3, 2.8, 4.2, 9.8, 14.7

Ex. 25.10 | Q 16 | Page 14

Following is the break up of the expenditure of a family on different items of consumption:

 Items Food Clothing Rent Education Fuel etc. Medicine Miscellaneous Expenditure (in Rs) 1600 200 600 150 100 80 270

Draw a pie-diagram to represent the above data.

Ex. 25.10 | Q 17 | Page 14

Draw a pie-diagram for the following data of the investment pattern in a five year plan:

 Agriculture Irrigation and Power Small Industries Transport Social service Miscellaneous 14% 16% 29% 17% 16% 8%

#### Chapter 25: Data Handling-III (Pictorial Representation of Data as Pie Charts or Circle Graphs) Exercise 25.20 solutions [Pages 21 - 23]

Ex. 25.20 | Q 1 | Page 21

The pie-chart given in the following represents the expenditure on different items in constructing a flat in Delhi. If the expenditure incurred on cement is Rs 112500, find the following:

(i) Total cost of the flat.
(ii) Expenditure incurred on labour.

Ex. 25.20 | Q 2 | Page 21

The pie-chart given in the following shows the annual agricultural production of an Indian state. If the total production of all the commodities is 81000 tonnes, find the production (in tonnes) of
(i) Wheat
(ii) Sugar
(iii) Rice
(iv) Maize
(v) Gram

Ex. 25.20 | Q 3 | Page 22

The following pie-chart shows the number of students admitted in different faculties of a college. If 1000 students are admitted in Science answer the following:

(i) What is the total number of students?
(ii) What is the ratio of students in science and arts?

Ex. 25.20 | Q 4 | Page 22

In the following figure, the pie-chart shows the marks obtained by a student in an examination. If the student secures 440 marks in all, calculate his marks in each of the given subjects.

Ex. 25.20 | Q 5 | Page 22

In the following figure, the pie-chart shows the marks obtained by a student in various subjects. If the student scored 135 marks in mathematics, find the total marks in all the subjects. Also, find his score in individual subjects.

Ex. 25.20 | Q 6 | Page 23

The following pie-chart shows the monthly expenditure of Shikha on various items. If she spends Rs 16000 per month, answer the following questions:

(i) How much does she spend on rent?
(ii) How much does she spend on education?
(iii) What is the ratio of expenses on food and rent?

Ex. 25.20 | Q 7 | Page 23

The pie chart (as shown in the figure 25.23) represents the amount spent on different sports by a sports club in a year. If the total money spent by the club on sports is Rs 1,08,000, find the amount spent on each sport.

## Chapter 25: Data Handling-III (Pictorial Representation of Data as Pie Charts or Circle Graphs)

Ex. 25.10Ex. 25.20

## RD Sharma solutions for Class 8 Mathematics chapter 25 - Data Handling-III (Pictorial Representation of Data as Pie Charts or Circle Graphs)

RD Sharma solutions for Class 8 Maths chapter 25 (Data Handling-III (Pictorial Representation of Data as Pie Charts or Circle Graphs)) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Mathematics for Class 8 by R D Sharma (2019-2020 Session) solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 8 Mathematics chapter 25 Data Handling-III (Pictorial Representation of Data as Pie Charts or Circle Graphs) are Introduction of Grouping Data, Bars with a Difference, Introduction of Circle Graph Or Pie Chart, Circle Graph Or Pie Chart - Drawing Pie Charts, Chance and Probability - Getting a Result, Chance and Probability - Equally Likely Outcomes, Chance and Probability - Linking Chances to Probability, Chance and Probability - Outcomes as Events, Chance and Probability Related to Real Life, Organising Data, Looking for Information, Graphical Representation of Data as Histograms.

Using RD Sharma Class 8 solutions Data Handling-III (Pictorial Representation of Data as Pie Charts or Circle Graphs) exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in RD Sharma Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 8 prefer RD Sharma Textbook Solutions to score more in exam.

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