Table shows the percentage of teachers across six universities A to F. University E has 1856 teachers.
| University | Teachers (%) |
|---|---|
| A | 11 |
| B | 17 |
| C | 19 |
| D | 6 |
| E | 29 |
| F | 18 |
What is the average number of teachers in universities A, C, D and F together?
A854
B3456
C864 ✓ Correct
D874
Correct answer: (C) 864
Explanation
The average is 864, so the answer is 864.
The total number of teachers is 6400.
University A has 704, university C has 1216, university D has 384 and university F has 1152.
These add up to 3456 in all.
The average is this total divided by the four universities.
So it is 3456 divided by 4, which is 864.
So the answer is 864.
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