The table shows the number of software development projects handled by companies A and B from 2016 to 2020 (Government and Non-Government projects combined).
| Year | Company A | Company B |
|---|---|---|
| 2016 | 180 | 130 |
| 2017 | 230 | 320 |
| 2018 | 360 | 210 |
| 2019 | 250 | 190 |
| 2020 | 300 | 350 |
What is the difference between the total number of projects handled by Company A in 2016 and 2017 together and the total number of projects handled by Company B in 2018 and 2020 together?
A120
B150 ✓ Correct
C130
D180
Correct answer: (B) 150
Explanation
The difference is 150, so the answer is 150.
Company A handled 180 projects in 2016 and 230 in 2017.
So Company A's total for these years is 180 plus 230, which is 410.
Company B handled 210 projects in 2018 and 350 in 2020.
So Company B's total for these years is 210 plus 350, which is 560.
The difference is 560 minus 410.
That equals 150.
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