Note: Attempt all questions 1. The population of certain city was 11200 in 1998 and observed doubling time for the population is 12 years. (a) Estimate the population in the year 2022 (1.5+1.5) Marks (b) When will the population reach 2 million? (b) 2. The Population of the world was 5.7 billion in 1995, and the observed relative growth rate was 2% per year. a) By what year will the population have double? b) Estimate when the population will reach 10 billion? (1.5-1.5) Marks (b)