If the population of a city increases by 5 % annually, what will be the population of the city in 2 years time if its current population is 78000?

Options
- 81900
- 85995
- 85800
- 90000

CORRECT ANSWER : 85995

Discussion Board
answer breakup

answer = 78000(1+5/100)(1+5/100) = 85995

Vinay 02-8-2021 01:13 PM

Solution

Population after one year = 1.05 x, where x is initial population
Population after second year = 1.05x + (0.05 * 1.05 x) = 1.1025 x = 1.1125*78000 = 85995
Thus, option b is correct

susmitha shankar 07-10-2019 04:43 AM

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