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Q.4 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 questions. (take 1 unit length = 20 thousands)
(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?
Answer :

(a) 30 - 44 and 45 - 59
(b) Number of senior citizens in the town
= 80000 + 40000 = 1 lakh 20 thousand