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

(a) Draw a bar graph to represent the above information and answer the following questions
(b) All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town ?

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Solution

(a) A bar group of the given data can be drawn as follows :

(b) It can be inferred that senior citizens are the people who are either from age group 60 -74 or from age group 75 and above.
Hence number of senior citizens = 80,000 + 40,000 = 1,20,000.

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Q. Number of persons in various age groups in a town is given in the following table.

\begin{matrix} Age & 1 - 14 & 15 - 29 & 30 - 44 & 45 - 59 & 60 - 74 & 75 and group & above (in years) Number & 2 lakhs & 1 lakh 60 & 1 lakh 20 & 1 lakh 20 & 80 & 40 of persons & thousands & thousands & thousands & thousands & thousands & thousands \end{matrix}

Draw a bar graph to represent the above information and answer the following questions :
a) Which two age groups have the 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?

Q. Number of persons in various age groups in a town are represented by a bar graph. If all persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town? Also find the two age groups who have the same population.

Q. Number of persons in various age groups in a town is given in the following table.

Age group (in years)	$1 - 14$	$15 - 29$	$30 - 44$	$45 - 59$	$60 - 74$	$75$ and above
Number of persons	$2$ lakhs	$1 l a k h 60 t h o u s a n d s$	$1\ lakh\ 20\ thousands	$1\ lakh\ 20\ thousands	$80 t h o u s a n d s$	$40 t h o u s a n d s$

Draw a bar graph to represent the above information and answer the following question. (take

1

unit length

= 20 t h o u s a n d s)

(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

The number of persons in various age groups in a town is given in the following table:
Draw a bar graph to represent the above information and answer the following question. (Take 1 unit length = 20 thousand)
Which two age groups have the same population?

Q. Study the bar graph representing the number of persons in various age groups in a town shown in Fig. 23.9. Observe the bar graph and answer the following questions:

(i) What is the percentage of the youngest age-group persons over those in the oldest age group?

(ii) What is the total population of the town?

(iii) What is the number of persons in the age-group 60-65?

(iv) How many persons are more in the age-group 10-15 than in the age group 30-35?

(v) What is the age-group of exactly 1200 persons living in the town?

(vi) What is the total number of persons living in the town in the age-group 50-55?

(vii) What is the total number of persons living in the town in the age-groups 10-15 and 60-65?

(vii) Whether the population in general increases, decreases or remains constant with the increase in the age-group.

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Number of persons in various age groups in a town is given in the following table. (a) Draw a bar graph to represent the above information and answer the following questions (b) All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town ?

(a) A bar group of the given data can be drawn as follows : (b) It can be inferred that senior citizens are the people who are either from age group 60 -74 or from age group 75 and above. Hence number of senior citizens = 80,000 + 40,000 = 1,20,000.

(a) A bar group of the given data can be drawn as follows :

(b) It can be inferred that senior citizens are the people who are either from age group 60 -74 or from age group 75 and above.
Hence number of senior citizens = 80,000 + 40,000 = 1,20,000.