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Question
The number of people in various age groups in a town is given in the following table.
| Age group | 1-14 | 15-29 | 30-44 | 45-59 | 60-74 | 75 and above |
| Number of persons | 2 lakhs |
1 lakh |
1 lakh |
1 lakh |
80 thousand | 40 thousand |
Draw a bar graph to represent the above information and answer the following questions. (take 1 unit length = 20 thousands)
- Which two age groups have the same population?
- 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
By taking a scale of 1 unit length = 20 thousand we may draw a bar graph of the above data as follows:
- The two age groups which have the same population are 30-44 and 45-59
-
Senior citizens are the persons in the age group either from 60-74 or from 75 or above. Therefore
Number of senior citizens in the town
= 80000 + 40000
= 1 lakh 20 thousand
Hence, the number of senior citizens in the town is 1 lakh 20 thousand.
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