Since you only can get scores from 0 to 100, only A) or E) can possibly be correct. And since there is a possibility that A) does not happen, we cannot say that A) is correct. Therefore we know that E) has to be the right answer.
Q. You have an examination where there are multiple-choice questions. You have a choice of five answers, one is correct. If you had no idea of any of the answers, what score would you get if you were awarded one mark for a correct answer and there was no negative marking, but you had to make a choice of answers. There are 100 questions.
A zero
B could be negative
C 25%
D 20%
E cannot be calculated
I think the answer is E. ?
Since you only can get scores from 0 to 100, only A) or E) can possibly be correct. And since there is a possibility that A) does not happen, we cannot say that A) is correct. Therefore we know that E) has to be the right answer.
vasuchopra (12-09-2013)
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