Class 6 Maths Chapter 4 Extra Questions Data Handling and Presentation
Class 6 Maths Data Handling and Presentation Extra Questions
NCERT Class 6 Maths Chapter 4 Data Handling and Presentation Extra Questions and Answers
Very Short Answer Type Questions
Question 1.
The following are the weight (in kg) of 20 students of a class 25,16,17,15, 23, 10, 9,15, 16, 17,15,16, 23, 25, 16,15, 23, 9, 10, 16
Prepare a table using tally marks for the given data.
Answer:
Question 2.
Following is the choicd of sports for 20 students of Class VI. Cricket, Football, Cricket, Tennis, Cricket, Badminton, Football, Cricket, Football, Tennis, Cricket, Badminton, Basketball, Football, Golf, Football,
Hockey, Football, Hockey, Football. Arrange the names of sports in a table using tally marks.
Answer:
Question 3.
In a pictograph, a symbol represents 5 persons, then how many symbols represent 20 persons?
Answer:
Question 4.
The pictograph shows the number of persons using various brands of perfumes.
Answer:
6 × 4 = 24 persons
Question 5.
Following bar graph, shows the number of children in six different classes.
Which class has the maximum number of children and minimum number of children?
Answer:
From the graph, maximum number of children are in class fifth i.e. 135 and minimum number of children are in class tenth i.e. 80.
Short Answer Type Questions
Question 1.
The following pictograph shows the number of private buses in six cities.
By observing the given pictograph, answer the following questions.
(i) In which city the number of private buses are least?
(ii) In which city the number of private buses are highest?
(iii) How many more buses are in Delhi as compared to Agra?
(iv) Find the total number of buses in all the six cities.
Answer:
(i) Noida
(ii) Jaipur
(iii) 20
(iv) 270
Question 2.
In a electrical shop, the sale of fans on different days of a week is shown by below pictograph.
By observing the given pictograph answer the following questions.
(i) Find the number of fans sold on Tuesday.
(ii) On which of the days, the number of fans were sold is same?
(iii) On which day, the number of fans were sold is maximum?
(iv) On which day, the number of fans were sold is minimum?
Answer:
(i) 20
(ii) Monday and Friday
(iii) Saturday
(iv) Wednesday
Question 3.
Following is the pictograph of the number of cycles manufacture by a factory on six different working days of a week.
By observing the given pictograph and answer the following questions.
(i) On which day were the least number of cycles manufactured?
(ii) On which day were the maximum number of cycles manufactured?
(iii) Find the approximate number of cycles manufactured in all the six working days of the given week.
(iv) On which of the days, the number of cycles manufactured is same?
Answer:
(i) Wednesday
(ii) Thursday
(iii) 275
(iv) Monday and Saturday
Question 4.
The blood groups of 25 students are recorded as follows
A, B, 0, A, AB, 0, A, 0, B, A, 0,B, A, AB, AB, A, A. B, B, 0, B, AB, 0, A, B. Arrange the information in a table using tally marks.
Answer:
The information in a table using tally marks is follows :
Question 5.
Rakesh is playing with a dice. He threw the dice 40 times and noted the outcomes as follows.
1, 2,1, 5, 3, 5, 5, 3, 2, 2,1, 6, 6, 6, 4, 6, 3, 5, 2, 3, 3, 5, 4,1, 5, 5, 2, 4, 5, 5, 2, 4, 1, 6, 6,1, 5, 6, 1, 5.
Prepare a table using tally marks.
Answer:
We draw the following table using tally marks from given information.
Question 6.
Following bar graph shows the data of favourite ice-cream flavour of consumers polled in a Survey.
Observe the above bar graph and answer the following questions.
(i) Which ice-cream flavour is most popular?
(ii) How many consumer like the vanilla ice-cream flavour?
(iii) Try to find out the name of ice-cream flavour liked by the minimum consumer.
Answer:
(i) It is clear from the graph that mint choco ice-cream flavour is the most popular.
(ii) Given, 1 unit = 5 consumers
∴ Number of consumer like vanilla ice-cream flavour = 14 × 5 = 70
(iii) Chocolate
Question 7.
One day Mr. Rahul noted the data on how many production of rice by a country during five consecutive years. Data is given below.
(i) Draw a bar graph for above given data.
Answer:
(ii) Which year production of rice was maximum?
Answer:
It is clear from the graph, in year 2007, the production of rice was maximum.
Long Answer Type Questions
Question 1.
The following pictograph depicts the information about the areas in sq km (to nearest hundred) of some districts of Chhattisgarh State.
(i) What is the area of Koria district ?
(ii) Which district has small area?
(iii) Which district has large area?
(iv) Which two districts have the same area?
(v) How many districts have area more than 5000 Sq. km?
Answer:
(i) Area of Koria district = 6000 sq km
(ii) Mahasamund
(iii) Raigarh and Jashpur
(iv) Raigarh and Jashpur have the same area.
(v) Four districts have area more than 5000 sq km.
Question 2.
Fill in the blanks in the following table, which represents shirt size of 40 students of a school.
Answer:
Thus, the complete table is shown below
Question 3.
The number of scouts in a school is depicted by the following pictograph.
Observe the pictograph and answer the following questions.
(i) Which class has the minimum number of scouts?
(ii) Which class has the maximum number of scouts?
(iii) How many scouts are there in Class VI?
(iv) Which class has exactly four times the scouts as that of Class X?
(v) What is the total number of scouts in the classes VI 1 toX?
Answer:
(i) Class X has minimum number of scouts i.e. 10.
(ii) Class VIII has maximum number of scouts i.e. 60.
(iii) Number of scouts in Class VI =40
(iv) Number of scouts in Class X = 10
Hence, Class VI has exactly four times the scouts as that of Class X.
(v) Total number of scouts in classes VI to X
= 40 + 20 + 60 + 30 + 10 = 160
Question 4.
Use the following bar graph to answer the questions.
A = Orange; B = Mango; C = Grapes; D = Apple
(i) Which is the most popular fruit among the students?
(ii) Which is the least popularfruit among the students?
(iii) How many students like orange?
(iv) If in the given bar graph, 1 unit represents 5 students, then try to find out the number of students like orange.
Answer:
(i) Clearly, from the bar graph, mango is liked by 10 students. So, the most popular fruit among the students is mango.
(ii) Clearly, from the bar graph, grapes is liked by 4 students. So, the least popular fruit among the students is grapes.
(iii) Orange is liked by 8 students.
(iv) Given, 1 unit = 5 students
Number of students whose like orange = 8 × 5 = 40 students.
Question 5.
Number of children in six different classes are given below.
(i) Draw a bar graph for the given data.
(ii) Which class has the highest number of students.
Answer:
(i) Representation of number of students in different classes (from V to X).
(ii) It is clear from the graph that class V has the highest number of students.
Case-Based Questions
Question 1.
Shod works for a shoe store. He records the shoe sizes and the number of pairs sold every day. On Tuesday, he sold 60 pairs. His record for the day is shown below.
(i) How many pairs of size 8 were sold on Tuesday?
(a) 3
(b) 10
(c) 11
(d) 13
Answer:
(d) On Tuesday, Shobit sold 13 pairs of shoes of size 8.
(ii) Which shoe size sold the most?
(a) 6
(b) 7
(c) 8
(d) 9
Answer:
(a) Shoe size 6 sold the most.
(iii) Shobit realised that he had not fully recorded the sale for Tuesday. How many sold pairs had he hot recorded?
Answer:
Shobit recorded the sale of 55 pairs for Tuesday, but he sold 60 pairs. Thus, he had not recorded 5 pairs of shoes.
(iv) The unrecorded data was of shoe size 7. Shobit corrected his record accordingly. Which of the following statements will be true now?
(a) Shoe size 8 sold the least now
(b) Shoe size 7 sold the most now
(c) Shoe size 5 is the new mode of the data
(d) Number of shoe pairs of size 3 can be calculated
Answer:
(b) The correct statements after Shobit corrected his record is that shoe size 7 sold the most now i.e. 16 pairs.
(v) The price of one shoe pair of size 5 is ₹ 800. How much money had Shobit collected by selling all the shoe pairs of size 5?
Answer:
Shobit sold 7 pairs of shoes of size 5 on Tuesday and the price of one shoe pair of size 5 is ₹ 800.
Thus, the money collected by selling all the shoe pairs of size 5 = 7 × 800 = ₹ 5600.
Question 2.
Class teacher asked to Manya to collect the data of marks obtained by top five students of the class in Math test. Manya collect the data and represent the data by following bar graph
On the basis of above information, answer the following questions.
(i) The maximum marks obtained by any student is
(a) 50
(b) 60
(c) 65
(d) 80
Answer:
(d) It is clear from the graph, the maximum marks obtained by any student is 80.
(ii) The minimum marks obtained by any student in all five students is
(a) 40
(b) 50
(c) 60
(d) 65
Answer:
(b) It is clear from the graph that students A and D got equal and minimum marks as 50 marks.
(iii) How many students got the same marks?
(a) 1
(b) 2
(c) 3
(d) None of the above
Answer:
(b) Two students A and D got equal marks.
(iv) Write the name of student, who got the marks between 60 to 80.
Answer:
Student E got the marks between 60 to 80.