As there are 5 students with an average of 40 marks and none of them scored exactly 40 marks, so at least one person must score less than 40 marks and at least one person must score more than 40 marks.
Hence, option E is the correct answer.
A | B | C | D | Average |
---|---|---|---|---|
3 | 4 | 4 | ? | 4 |
3 | ? | 5 | ? | 4 |
? | 3 | 3 | ? | 4 |
? | ? | ? | ? | 4.25 |
4 | 4 | 4 | 4.25 |