The table shows the number of candidates recruited by four companies A, B, C and D over the years. Find the ratio of number of candidates recruited by company B in 2019 to the ratio of candidates recruited by company D in 2020.
| Years | A | B | C | D |
| 2018 | 55 | 40 | 25 | 15 |
| 2019 | 60 | 75 | 50 | 25 |
| 2020 | 65 | 30 | 40 | 65 |
| 2021 | 45 | 35 | 70 | 35 |
Answer & explanation
Correct answer: option 1
The number of candidates recruited by company B in 2019 = 75
The number of candidates recruited by company D in 2020 = 65
The ratio = 75 : 65 = 15 : 13