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The number of people 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

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प्रश्न

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
60 thousand

1 lakh
20 thousand

1 lakh
20 thousand

80 thousand 40
thousand

Draw a bar graph to represent the above information and answer the following questions. (take 1 unit length = 20 thousands)

  1. Which two age groups have the same population?
  2. All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town?
आलेख
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उत्तर

By taking a scale of 1 unit length = 20 thousand we may draw a bar graph of the above data as follows:

  1. The two age groups which have the same population are 30-44 and 45-59
  2. 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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