Consider the following for the next four (04) items that follow : The following Bar-Chart gives the production of cars by three different companies X, Y and Z in different years. (2014: X 300, Y 200, Z 500. 2015: X 400, Y 300, Z 500. 2016: X 500, Y 400, Z 600. 2017: X 600, Y 500, Z 700. 2018: X 700, Y 500, Z 800.) Consider the production of each company separately. In how many instances was the percentage increase in production of cars over the previous year’s production greater than 20% ?
- A5
- B6
- C7
- D8
Explanation
Year-on-year increases above 20%: X: 300→400 (33.3%), 400→500 (25%) — 2 instances; Y: 200→300 (50%), 300→400 (33.3%), 400→500 (25%) — 3 instances; Z: 500→500 (0%), 500→600 (20%, not greater), 600→700, 700→800 — 0 instances. Total = 5, option (a).