{"id":25907,"date":"2021-06-24T14:16:05","date_gmt":"2021-06-24T08:46:05","guid":{"rendered":"https:\/\/mcq-questions.com\/?p=25907"},"modified":"2022-03-02T10:36:02","modified_gmt":"2022-03-02T05:06:02","slug":"ncert-solutions-for-class-6-maths-chapter-9-ex-9-4","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-6-maths-chapter-9-ex-9-4\/","title":{"rendered":"NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4"},"content":{"rendered":"

These NCERT Solutions for Class 6 Maths<\/a> Chapter 9 Data Handling Ex 9.4 Questions and Answers are prepared by our highly skilled subject experts.<\/p>\n

NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Exercise 9.4<\/h2>\n

Question 1.
\nA survey of 120 school students was done to find which activity they prefer to do in their free time.<\/p>\n\n\n\n\n\n\n\n\n
Preferred activity<\/td>\nNumber of students<\/td>\n<\/tr>\n
Playing<\/td>\n45<\/td>\n<\/tr>\n
Reading story books<\/td>\n30<\/td>\n<\/tr>\n
Watching TV<\/td>\n20<\/td>\n<\/tr>\n
Listening to music<\/td>\n10<\/td>\n<\/tr>\n
Painting<\/td>\n15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Draw a bar graph to illustrate the above data taking scale of 1 unit length = 5 students.
\nWhich activity is preferred by most of the students other than playing?
\nAnswer:
\nSteps :
\n(i) Draw two perpendicular lines OX and OY.
\n(ii) Draw vertical bars (rectangles) of same width keeping equal spacing between them.
\n(iii) \u2235 1 unit length = 5 students,
\n\u2234 Heights of bars will be
\nFor playing = 45 \u00f7 5 = 9 units
\nFor reading story books = 30 \u00f7 5 = 6 units
\nFor watching TV = 20 \u00f7 5 = 4 units
\nFor listening to music = 10 \u00f7 5 = 2 units
\nFor painting = 15 \u00f7 5 = 3 units
\nThe required graph is as under :
\n\"NCERT
\nReading story books is preferred by most of the students other than playing.<\/p>\n

\"NCERT<\/p>\n

Question 2.
\nThe number of Mathematics books sold by a shopkeeper on six consecutive days is shown below:<\/p>\n\n\n\n\n\n\n\n\n\n
Days<\/td>\nNumber of books sold<\/td>\n<\/tr>\n
Sunday<\/td>\n65<\/td>\n<\/tr>\n
Monday<\/td>\n40<\/td>\n<\/tr>\n
Tuesday<\/td>\n30<\/td>\n<\/tr>\n
Wednesday<\/td>\n50<\/td>\n<\/tr>\n
Thursday<\/td>\n20<\/td>\n<\/tr>\n
Friday<\/td>\n70<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Draw a bar graph to represent the above information choosing the scale of your choice.
\nAnswer:
\nSteps:
\n(i) Draw two perpendicular lines OX and OY.
\n(ii) Draw bars (rectangles) of equal width on OX having same spacing between them.
\n(iii) Taking an appropriate scale (here 1 unit length = 10 books) fix the heights of various bars, such as:
\nFor Sunday = 65 \u00f7 10 = 6.5 units
\nFor Monday = 40 \u00f7 10 = 4 units
\nFor Tuesday = 30 \u00f7 10 = 3 units
\nFor Wednesday = 50 \u00f7 10 = 5 units
\nFor Thursday = 20 \u00f7 10 = 2 units
\nFor Friday = 70 \u00f7 10 = 7 units
\n\u2234 The required graph is as under :
\n\"NCERT<\/p>\n

\"NCERT<\/p>\n

Question 3.
\nFollowing table shows the number of bicycles manufactured in a factory during the years 1998 to 2002. Illustrate this data using a bar graph. Choose a scale of your choice.<\/p>\n\n\n\n\n\n\n\n\n
Years<\/td>\nNumber of bicycles manufactured<\/td>\n<\/tr>\n
1998<\/td>\n800<\/td>\n<\/tr>\n
1999<\/td>\n600<\/td>\n<\/tr>\n
2000<\/td>\n900<\/td>\n<\/tr>\n
2001<\/td>\n1100<\/td>\n<\/tr>\n
2002<\/td>\n1200<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

(a) In which year was the maximum number of bicycles manufactured?
\n(b) In which year was the minimum number of bicycles manufactured?
\nAnswer:
\nSteps :
\n(i) Draw two perpendicular lines OX and OX
\n(ii) Draw bars of equal width on OX having same spacing between them.
\n(iii) For fixing heights of various bars, choose an appropriate scale (here: 1 unit length = 200 bicycles) so that, we have:
\n\u2234 For 1998: 800 \u00f7 200 = 4 units
\nFor 1999: 600 \u00f7 200 = 3 units
\nFor 2000: 900 \u00f7 200 = 4.5 units
\nFor 2001: 1100 \u00f7 200 = 5.5 units
\nFor 2002: 1200 \u00f7 200 = 6 units
\n\"NCERT
\n(a) The maximum number of bicycles manufactures in 2002.
\n(b) The minimum number of bicycles manufactured in 1999.<\/p>\n

\"NCERT<\/p>\n

Question 4.
\nNumber of persons in various age groups in a town is given in the following table.<\/p>\n\n\n\n\n\n\n\n\n\n
Number of persons<\/td>\nAge group<\/td>\n<\/tr>\n
2 lakhs<\/td>\n1 – 14<\/td>\n<\/tr>\n
1 lakhs 60 thousands<\/td>\n15 – 29<\/td>\n<\/tr>\n
1 lakh 20 thousands<\/td>\n30 – 44<\/td>\n<\/tr>\n
1 lakh 20 thousands<\/td>\n45 – 59<\/td>\n<\/tr>\n
80<\/td>\n60 – 74<\/td>\n<\/tr>\n
40 Thousands<\/td>\n75 and above<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Draw a bar graph to represent the above information and answer the following
\nquestions. (take 1 unit length = 20 thousands)
\n(a) Which two age groups have same population?
\n(b) All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town?
\nAnswer:
\nSteps :
\n(i) Draw two perpendicular lines OX and OY.
\n(ii) Draw bars of equal width on OX having same spacing between them.
\n(iii) Since the scale is given:
\n1 unit length = 20 thousand person
\n\u2234 The heights of various bars are given below such as :
\nFor 1 – 14 : 200000 \u00f7 20000 = 10 units
\nFor 15 – 29 : 160000 \u00f7 20000 = 8 units
\nFor 30 – 44 : 120000 \u00f7 20000 = 6 units
\nFor 45 – 59 : 120000 \u00f7 20000 = 6 units
\nFor 60 – 74 : 80000 \u00f7 20000 = 4 units
\nFor 75 and above
\n: 40000 \u00f7 20000 = 2 units
\nNow, the required bar graph is as follows
\n\"NCERT
\n(a) Group 30 – 44 and group 45 – 59 have same population.
\n(b) 80,000 + 40,000 = 1,20,000 senior citizens are there in the town.<\/p>\n","protected":false},"excerpt":{"rendered":"

These NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 Questions and Answers are prepared by our highly skilled subject experts. NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Exercise 9.4 Question 1. A survey of 120 school students was done to find which activity they prefer to do in …<\/p>\n

NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4<\/span> Read More »<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":""},"categories":[10],"tags":[],"yoast_head":"\nNCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 - MCQ Questions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-6-maths-chapter-9-ex-9-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 - MCQ Questions\" \/>\n<meta property=\"og:description\" content=\"These NCERT Solutions for Class 6 Maths Chapter 9 Data Handling Ex 9.4 Questions and Answers are prepared by our highly skilled subject experts. 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