The marks obtained by a student in different subjects are shown. Draw a pie diagram showing the information. Subject English Marathi Science Mathematics Social science Hindi Marks 50 70 80 90 60 50

The marks obtained by a student in different subjects are shown below. Subject English Marathi Science Mathematics Social science Hindi Marks 50 70 80 90 60 50 We need to draw a pie chart for the given data. We know that, the measure of a particular angle of a sector in a pie chart is calculated by, The value of a particular sector Total value of all the sectors × 360 ° Tabulating the data, Subject Marks Angle measure of the sector English 50 50 50 + 70 + 80 + 90 + 60 + 50 × 360 ° = 45 ° Marathi 70 70 50 + 70 + 80 + 90 + 60 + 50 × 360 ° = 63 ° Science 80 80 50 + 70 + 80 + 90 + 60 + 50 × 360 ° = 72 ° Mathematics 90 90 50 + 70 + 80 + 90 + 60 + 50 × 360 ° = 81 ° Social science 60 60 50 + 70 + 80 + 90 + 60 + 50 × 360 ° = 54 ° Hindi 50 50 50 + 70 + 80 + 90 + 60 + 50 × 360 ° = 45 ° Hence, the required pie chart is shown below.

The number of students in a hostel speaking different languages is given below. Represent the data in a pie chart. Languages Hindi English Marathi Tamil Bengali Total Number of students 40 10 8 8 6 72

Given data, Languages Hindi English Marathi Tamil Bengali Total Number of students 40 10 8 8 6 72 Total number of students is 72 . Central angle for a component = value of the component Total value × 360 ° The table showing the computation of central angles is as under: Languages Hindi English Marathi Tamil Bengali Number of students 40 10 8 8 6 Measure of the Central Angle 40 72 × 360 = 200 o 10 72 × 360 = 50 o 8 72 × 360 = 40 o 8 72 × 360 = 40 o 6 72 × 360 o = 3 0 o Draw a circle of any convienient radius. Now divide the interior of this circle into sectors of angles 200 ° , 50 ° , 40 ° , 40 ° and 30 ° with help of your protractor. Hence, the pie chart is drawn as,

E M B I B E

ICSE NUMBERS WIZ>Chapter 24 - Graphical Representation of Data>Exercise 24(C)

Exercise 24(C)

Author:S K Gupta & Anubhuti Gangal

S K Gupta Mathematics Solutions for Exercise 24(C)

Simple step-by-step solutions to Exercise 24(C) questions of Graphical Representation of Data from ICSE NUMBERS WIZ. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercise 24(C) with Hints & Solutions

EASY

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 24 - Graphical Representation of Data>Exercise 24(C)>Q 1

Draw the pie chart to represent the following information, first working out the angles.
The number of books lent out by a school library each day

Days	Mon	Tues	Wed	Thurs	Fri
No of books lent	$10$	$25$	$33$	$16$	$6$

HARD

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 24 - Graphical Representation of Data>Exercise 24(C)>Q 2

The marks obtained by a student in different subjects are shown. Draw a pie diagram showing the information.

Subject	English	Marathi	Science	Mathematics	Social science	Hindi
Marks	$50$	$70$	$80$	$90$	$60$	$50$

MEDIUM

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 24 - Graphical Representation of Data>Exercise 24(C)>Q 3

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

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

EASY

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 24 - Graphical Representation of Data>Exercise 24(C)>Q 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.

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HARD

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 24 - Graphical Representation of Data>Exercise 24(C)>Q 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 in lakhs

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MEDIUM

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 24 - Graphical Representation of Data>Exercise 24(C)>Q 6

The pie chart shows the number of participants of $5$ countries $P, Q, R, S$ and $T$ taking part in a tennis tournament. Calculate the percentage of participants $P$

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MEDIUM

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 24 - Graphical Representation of Data>Exercise 24(C)>Q 7

A school has a strength of $3000$ students. The pie graph alongside shows the interests of students in different subjects. The number of students interested in English is

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