GATE 2021 ES – Question 1
General Aptitude · Quantitative Aptitude: Data Interpretation, Arithmetic and Number Computation · 1 mark · Multiple choice
A city currently has population 1102500, increasing at 5% per annum. What was its population two years ago?
- 992500
- 995006
- 1000000
- 1251506
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Show answer and explanation
Correct answer: (C) 1000000
Explanation
If population two years ago was P, then P×1.05² = 1102500. Therefore P = 1102500/1.1025 = **1000000, C**.
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