Study the given graph and answer the question that follows.
In 2020, the production of cement by company C increased by the same percentage as in 2019, over its previous year. The production (in million tonnes) of cement by company C in 2020 (correct to one decimal place) was:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 457.1
Production of cement by company C in 2018 = 350
Production of cement by company C in 2019 = 400
% increase = 50\350 × 100 = 14.28%.
Production of cement by company C in 2020 = 400 × 114.28% = 457.1.