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Study the bar graph representing the number of persons in various age groups in a town shown in Fig. 23.9. Observe the bar graph and answer the following questions:(i) What is the percentage of the youngest age-group persons over those in the oldest age group?(ii) What is the total population of the town?(iii) What is the number of persons in the age-group 60-65?(iv) How many persons are more in the age-group 10-15 than in the age group 30-35?(v) What is the age-group of exactly 1200 persons living in the town?(vi) What is the total number of persons living in the town in the age-group 50-55?(vii) What is the total number of persons living in the town in the age-groups 10-15 and 60-65?(vii) Whether the population in general increases, decreases or remains constant with the increase in the age-group. |
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Answer» Study the bar graph representing the number of persons in various age groups in a town shown in Fig. 23.9. Observe the bar graph and answer the following questions: (i) What is the percentage of the youngest age-group persons over those in the oldest age group? (ii) What is the total population of the town? (iii) What is the number of persons in the age-group 60-65? (iv) How many persons are more in the age-group 10-15 than in the age group 30-35? (v) What is the age-group of exactly 1200 persons living in the town? (vi) What is the total number of persons living in the town in the age-group 50-55? (vii) What is the total number of persons living in the town in the age-groups 10-15 and 60-65?  (vii) Whether the population in general increases, decreases or remains constant with the increase in the age-group. |
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