Sale (in thousands) of five battery types, 2015–2021.
| Year | 4AH | 7AH | 32AH | 35AH | 55AH |
|---|---|---|---|---|---|
| 2015 | 75 | 144 | 114 | 102 | 108 |
| 2016 | 90 | 126 | 102 | 84 | 126 |
| 2017 | 96 | 114 | 75 | 105 | 135 |
| 2018 | 105 | 90 | 150 | 90 | 90 |
| 2019 | 90 | 75 | 135 | 75 | 90 |
| 2020 | 105 | 60 | 165 | 45 | 120 |
| 2021 | 115 | 85 | 160 | 100 | 145 |
What is the difference in the number of 35AH batteries sold in 2016 and 2020?
A24000
B28000
C25000
D39000 ✓ Correct
Correct answer: (D) 39000
Explanation
The answer is 39000.
The 35AH sales were 84 thousand in 2016 and 45 thousand in 2020.
The difference is 84 minus 45 thousand.
That is 39 thousand.
As an actual number this is 39000.
The other options do not match this value.
So the answer is 39000.
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