Trend Analysis — Prelims Questions

A line graph shows the annual profit (in ₹ Lakhs) of Company X from 2018 to 2022. In 2018, profit was 120; 2019: 140; 2020: 130; 2021: 160; 2022: 190. What was the approximate average annual percentage increase in profit from 2018 to 2022?

A graph shows the number of tourists visiting City P (Line A) and City Q (Line B) from 2015 to 2020. Line A shows a steady increase from 50,000 to 100,000. Line B shows an increase from 60,000 to 90,000. In which year did the percentage increase in tourists for City P from the previous year exceed that of City Q by the largest margin?

A line graph shows the quarterly production of mobile phones (in thousands) by a factory over two years (Q1-Q4 for Year 1, Q1-Q4 for Year 2). Production consistently dips in Q1 and peaks in Q3 each year, while the overall annual production shows a slight upward trend. What type of pattern is most prominently displayed?

A graph depicts the unemployment rate in a country from 2010 to 2020. The rate was 8% in 2010, steadily decreased to 4% by 2015, and then gradually increased to 6% by 2020. If the trend from 2015-2020 continues, what would be the approximate unemployment rate in 2022?

Two companies, A and B, started with equal capital in 2010. A line graph shows their annual revenue (in ₹ Crores) from 2010 to 2015. Company A's revenue increased linearly from 100 to 200. Company B's revenue increased exponentially from 100 to 250. Which company had a higher average annual growth rate (percentage-wise) over this period?