Question : The population of a city increases at a rate of 5% per year. If the present population of the city is 3,70,440, its population three years ago was:

Option 1: 30,000

Option 2: 2,80,000

Option 3: 3,60,000

Option 4: 3,20,000

Question : The population of the city decreased from 156940 to 141246 due to the breakout of a pandemic. What is the percentage decrease in population?

Option 1: 8%

Option 2: 10%

Option 3: 12%

Option 4: 15%

Question : The country in East Asia which is most conspicuous for its decreasing population growth since 1981 is:

Option 1: South Korea

Option 2: Thailand

Option 3: China

Option 4: Japan

Question : The number of persons per unit area gives the measurement of ______.

Option 1: population density

Option 2: population sex ratio

Option 3: population movements

Option 4: population growth rate

Question : The sex ratio in India is defined as the number of females per_____.

Option 1: 100 males in the population

Option 2: 1000 males in the population

Option 3: 500 males in the population

Option 4: 100 children in the population