The population of a town is 1,76,400. If it increases at the rate of 5% per annum, what will be its population 2 years hence? What was it 2 years ago? 2 5 21 21
Answer
Answer (as printed):
Explanation
Population after 2 years = 176400 × 1 + = 176400 × × = 194481. 100 20 20 176400 20 20 Population 2 years ago = = 176400 × × = 160000. 5 2 21 21 1 + 100
Explanation as extracted from the printed page; notation may be imperfect.