Sarthaks Test
0 votes
in Aptitude by (39.5k points)

The population of a town increase by 10% annually. If the present population is 22000, find it population a year ago.

Please log in or register to answer this question.

1 Answer

+1 vote
by (59.0k points)

Present population of town = 22000

Rate of increase in population annually = 10%

Let the population 1 year ago be x .


(x + 10% of x) = 22000

(x + x/10) = 22000

11x/10 = 22000

x = 22000 x 10/11

x = 20000


The population 1 year ago will be 20000.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.