Study the bar graph representing the number of persons in various age groups in a town shown in Figure. Observe the bar graph and answer the following questions: What is the percentage of the youngest age-group persons over those in the oldest age group? What is the total population of the town? What is the number of persons in the age group 60-65? How many persons are more in the age-group 10-15 than in the age group 30-35? What is the age-group of exactly 1200 persons living in the town? What is the total number of persons living in the town in the age group 50-55? What is the total number of person living in the town in the age-groups 10-15 and 60-65? Whether the population in general increases, decreases or remains constant with the increase in the age-group.