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Question 1. The given table shows the number of science books sold on 6 consecutive days.

DaysNumber of books soldMonday55Tuesday40Wednesday20Thursday70Friday35Saturday30

To represent the above information, draw a graph by choosing a scale according to you.

On which day, the maximum number of books were sold? [3 MARKS]

: Bar Graph: 2 Marks
Maximum: 1 Mark

Take a scale of 1 unit length = 10 books
The bar graph is as given below.
3.2
The maximum number of books were sold on Thursday = 70.

Question 2. The table shows the attendance of 1000 workers in an industry.

Answer the following questions.

DaysShift 1Shift 2Shift 3Monday300520Tuesday270470Wednesday350450Thursday400250Friday420330Saturday500250

a) Find the numbers of workers who worked on Tuesday in shift 2.

b) Find the total number of workers in shift 3.

c) Find the total number of workers in shift 2.


d) Find the total number of workers who worked on Saturday in shift 3.

[4 MARKS]

: Each part: 1 Mark

Total numbers of workers in the industry is 1000
So, workers of shift 1+ workers of shift 2 + Workers of shift 3 =1000 Workers of shift 3 in Monday = 1000 - (300 + 520) = 180 Workers of shift 2 in Tuesday = 1000 - (270 + 470) = 260 Workers of shift 3 in Wednesday = 1000 - (350 + 450) = 200 Workers of shift 2 in Thursday = 1000 - (400 + 250) = 350 Workers of shift 1 in Friday = 1000 - (420 + 330) = 250 Workers of shift 3 in Saturday= 1000 - (500 + 250) = 250 a)The numbers of workers worked on Tuesday in shift 2 = 260 b)Numbers of workers in shift 2 =(520 + 260 + 450 + 350 + 420 + 250 ) = 2250 c)Total numbers of workers in shift 3 =( 180 + 470 + 200 + 250 + 330 + 250 ) = 1680

d) Total number of workers who worked on Saturday in shift 3 = 1000 - (500 + 250) = 250

Question 3. The graph given below shows the marks of Ashish in the mid-term exam in 5 subjects.

2.3

Answer the following questions from the bar graph:

a) The bar graph gives information about what?

b) Give the name of subject in which Ashish scored maximum marks.

c) Give the name of subject in which Ashish scored minimum marks.

d) Give the name of the subjects with the marks.

[4 MARKS]

: Each option: 1 Mark

a) The bar graph gives information about the marks scored by Ashish in each subject.
b) Ashish scored maximum marks in Math. That is 90.
c) Ashish scored minimum marks in Social Science. That is 65.
d) Maths – 90
Science – 85
Hindi – 70
English – 80
Social Science – 65

Question 4. What is the value of the figure below in the tally chart?[2 MARKS]


: Concept: 1 Mark
Solution: 1 Mark

We can see from the above tally that every 5th mark is crossed.
The count of straight lines = 5 + 2 = 7
The number of straight linesis 7.

Question 5. What is data? [1 MARK]

: Data is a collection of numbers gathered to give some information.

Question 6. Collection of cakes by Lara, Linda, Sara and Carol in two weeks are given below.



a) The number of cakes Linda has by the end of two weeks.

b) The difference in the number of cakes between Carol and Linda by the end of two weeks.

c) Total numbers of cakes by all the members.

d) Difference between the highest and the lowest number of cake.

[4 MARKS]

: Each option: 1 Mark

Above data, shows the numbers of cakes Lara, Linda, Sara and Carol have in two weeks.
Numbers of cakes Linda has = (5 + 5)×5 = 50

Numbers of cakes Lara has = (8 + 8) ×5 = 80

Numbers of cakes Sara has = (4 + 4) ×5 = 40

Numbers of cakes Carol has = (6 + 7) ×5= 65
a)Numbers of cakes Linda has is 50. b) Numbers of cakes Carol has is 65 Difference in Carol and Linda = 65 - 50 = 15. c) Total numbers of cakes =50 + 80 + 40 + 65 = 235. d) Highest number of cake = 80 Lowest number of cake = 40 So, their difference is the = 80- 40 = 40.