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Question 2

The adjacent histogram shows weekly wages (in rupees) of workers in a factory. From the histogram answer the following

i. In which wage -group are the largest number of workers being kept?

What is their number?

ii. What is the amount which is obtained by the least number of workers? What is the number of such workers?

iii. What is the total number of workers?


Solution:
i. Wage group 950 1000 and number of workers are 8.

ii. Wage group 900 – 950 and number of workers are 2.

iii 3 + 7 + 5 + 4 + 2 + 8 + 6 + 5 = 40

Question 3

From the histogram answer the following questions.

i. What is the information is given on the two axes?

ii. How many students have their height more than 165cm?

iii. How many students are in the range of shortest height of the class?

iv. How many students in the class?


Solution:
i. The horizontal axis indicates the height (in cms) and the vertical axis indicates the number of students.

ii. 1

iii. The range of shortest height in the class is 140 – 145 and the number of students is 6.

iv. 6 + 10 + 15 + 18 + 2 + 1 = 52.

Question 4

Read the following bar graph and an

i. What is the information is given by the graph?

ii. What was the production of cement in the year 1980 - 81?

iii. What is the minimum and maximum production of cement and corresponding years?


Solution:
i. Industrial production of cement for different years.

ii. 186 lakh tones.

iii. Minimum: 30 lakh tonnes, 1950 - 51

Maximum: 232 lakh tonnes, 1982 - 83

Question 5

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


Solution:


Question 6

The following table gives the number of students in class VII in a school during academic years 2002 to 2003 to 2007 - 2008. Represent the below data by a bar graph.

 


Solution:


Question 7

The following table gives the number of vehicles passing through a busy crossing in Delhi in different time intervals on a particular day. Represent the below data by a bar graph.
 


Solution:


Question 8

The following table gives the number people visited the zoo on Sunday. Represent the data by a bar graph.
 


Solution:


Question 9

The following line graph shows the sales figure for a manufacture company.

i. What were the sales in i. 2008. ii. 2005?

ii. What were the sales in i. 2006 ii. 2007

iii. Compute the difference between the sales in 2005 and 2008


Solution:
i. 12 crores ii. 4 crores

i. 8 crores ii. 10 crores

12 4 = 8 crores

Question 10

Use the table below to draw a linear graphs

The number of days a city received a rainfall in different years

Year 2001 2002 2003 2004 2005 2006 2007 2008
Days 10 15 20 25 30 35 40 45


Solution:


Question 11

Number of boys and girls participated in a quiz competition in different years.
 


Solution:


Question 13

The following table gives the route in length (in thousand kilometer of the Indian Railways in some of the years. Represent the data as bar graph.
 


Solution:


Question 14

The following table gives the size of shirts of a students in a class. Represent the data as a histogram
 


Solution:

Question 15

Various modes of transport used by 1850 students of a school are given below. Draw a bar graph to represent the below data
 


Solution:


Question 16

Gold prices on 4 consecutive Tuesday were as under. Draw a bar graph to represent the below data
 


Solution:


Question 17

The following table shows the market position of different brands of soaps. Draw a bar graph to represent this data
 

Solution:


Question 18

The following table show the imports made by India over the last five years. Draw a bar graph to represent this data
 


Solution:


Question 19

The aid distance of four cities from Delhi (in km) are given below
 


Solution:




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