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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 age-group of exactly $1200$ persons living in the town?

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10 − 15

15-20

20-25

25-30

answer is C.

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Detailed Solution

Given, a list of human age data.
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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

The age group of

1200

persons is

20 − 25

.
Hence, option 3) is correct.

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