The table gives the percentage profit earned by two companies A and B during 2013 to 2018. Profit percentage is measured on expenditure, so income = expenditure plus profit.
| Year | A profit | B profit |
|---|---|---|
| 2013 | 20% | 35% |
| 2014 | 32% | 30% |
| 2015 | 40% | 50% |
| 2016 | 25% | 40% |
| 2017 | 30% | 30% |
| 2018 | 15% | 40% |
In which year is the ratio of income to expenditure of company A the maximum?
A2013
B2017
C2015 ✓ Correct
D2018
Correct answer: (C) 2015
Explanation
Income over expenditure equals 1 plus the profit rate, which is greatest in the year A's profit is highest, namely 40% in 2015. Hence option C.
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