NCERT Solutions for Class 6 Maths Exercise 9.4

NCERT Solutions for Class 6 Maths Exercise 9.4 book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 6 Maths chapter wise NCERT solution for Maths Book all the chapters can be downloaded from our website and myCBSEguide mobile app for free.

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NCERT Solutions for Class 6 Maths Data handling

Class –VI Mathematics

(Ex. 9.4)

Question 1. A survey of 120 school students was done to find which activity they prefer to do in their free time:

Preferred activity	Number of students
Playing Reading story books Watching TV Listening to music Painting	45 30 20 10 15

Draw a bar graph to illustrate the above data taking scale of 1 unit length = 5 students

Which activity is preferred by most of the students other than playing?

Answer:

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NCERT Solutions for Class 6 Maths Exercise 9.4

Question 2.The number of mathematics books sold by a shopkeeper on six consecutive days is shown below:

Days	Sunday	Monday	Tuesday	Wednesday	Thursday	Friday
No. of books sold	65	40	30	50	20	70

Draw a bar graph to represent the above information choosing the scale of your choice.

Answer:

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Question 3.Following shows the number of bicycles manufactured in a factory during the year 1998 to 2002. Illustrate this data using a bar graph. Choose a scale your choice.

Years	Number of bicycles manufactured
1998 1999 2000 2001 2002	200 600 900 1100 1200

(a)In which year were the maximum number of bicycles manufactures?

(b)In which year were the minimum number of bicycles manufactured?

Answer:

(a) 2002

(b) 1999

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NCERT Solutions for Class 6 Maths Exercise 9.4

Question 4.Number of persons in various age groups in a town is given in the following table:

Age Group	Number of persons
1 – 14 15 – 29 30 – 44 45 – 59 60 – 74 75 and above	2 Lakhs 1 lakh 60 thousands 1 lakh 20 thousands 1 lakh 20 thousands 80 thousands 40 thousands

Draw a bar graph to represent the above information and answer the following questions. (take 1 unit length = 20 thousands)

(a)Which two age groups have same population?

(b)All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town?

Answer:

(a)Group 30 – 44 and group 45 – 59

80,000 + 40,000 = 1,20,000

NCERT Solutions for Class 6 Maths Exercise 9.4

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