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The bar graph representing the number of persons in various age groups in a town is shown in the figure below.

What is the total population of the town?

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1400

2500

5500

6700

answer is D.

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Detailed Solution

Given, a list of human age data.
Question Image

By observing the graph,

10 − 15 = 1400 20 − 25 = 1200 30 − 35 = 1100 40 − 45 = 1000 50 − 55 = 900 60 − 65 = 800 70 − 75 = 300

Hence, the total population is given by the addition of persons in all age groups.
Total population = 1400 + 1200 + 1100 + 1000 + 900 + 800 + 300
= 6700
So, the total population of the town is 6700.
Hence, option 4) is correct

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