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Thread: Is the answer to this problem correct?

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    Is the answer to this problem correct?




    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. ?

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    Re: Is the answer to this problem correct?

    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.

  3. The Following User Says Thank You to Englund For This Useful Post:

    vasuchopra (12-09-2013)

  4. #3
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    Post Re: Is the answer to this problem correct?


    Quote Originally Posted by Englund View Post
    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.
    Thanks.. had the same idea..

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