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

NCERT Math Class 6th Question – 4 Exercise 9.4

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

Age group (in years)Number of persons
1- 142 Lakhs
15 – 291 Lakhs 60 thousands
30 – 441 Lakhs 20 thousands
45 – 591 Lakhs 20 thousands
60 – 7480 thousands
75 and above40 thousands

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

Solution

From the above information, we have the bar graph.

(A) Age groups of 30 – 44 and 45 – 59 have the same population.
(B) Number of Senior citizens are 80,000 + 40,000 = 1,20,000

NCERT Math Class 6th Question – 1 Exercise 9.4Click here
NCERT Math Class 6th Question – 2 Exercise 9.4Click here
NCERT Math Class 6th Question – 3 Exercise 9.4Click here

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