Question 1646 : Which one among the countries 1, 4, 5, and 7 will have the largest population in 2027?
Video Explanation
Explanatory Answer
Country GDP GDP per capita GDP growth rate Population growth rate Country 1 0.15x 0.41y 0.20% -0.12% Country 2 0.14x 0.25y 0.90% -0.41% Country 3 0.13x 0.02y 6.50% 0.70% Country 4 0.12x 0.38y 0.50% 0.49% Country 5 0.10x 0.36y 0.70% 0.31% Country 6 0.08x 0.08y 3.20% 0.61% Country 7 0.08x 0.30y 0.70% -0.11% Country 8 0.07x 0.41y 1.20% 0.71% Country 9 x Country 10 y
The question is "Which one among the countries 1, 4, 5, and 7 will have the largest population in 2027?"
Answer: Population of country 1 in 2027 = * (1 - 0.0012)3 = 0.364 (highest)
Population of country 4 in 2017 = * (1 + 0.0049)3 = 0.320
Population of country 5 in 2017 = * (1 + 0.0031)3 = 0.280
Population of country 7 in 2017 = (1 - 0.0011)3 = 0.261