population of 1st block of colony is 1000 in the beginning of July 200

1.	population of 1st block of colony is 1000 in the beginning of July 2007. It is increases at the rate of 5% every six months. Find the population of 1st block after 18 months.
Answer» Initial Population= 1000After 6 months, population= 1000+ (5/100)1000= 1000+50=1050 After 12 months, population =1050+(5/100)1050=1050+52.5=1103 After 18 months, population= 1103+ 1103*(5/100)=1103+55=1158

population of 1st block of colony is 1000 in the beginning of July 2007. It is increases at the rate of 5% every six months. Find the population of 1st block after 18 months.

Answer»

Initial Population= 1000After 6 months, population= 1000+ (5/100)*1000= 1000+50=1050

After 12 months, population =1050+(5/100)*1050=1050+52.5=1103

After 18 months, population= 1103+ 1103*(5/100)=1103+55=1158