Question 133

In a true-false test containing 50 questions, a student is to be awarded 2 marks for every correct answer and -2 for every incorrect answer and 0 for not supplying any answer. If Yash scored 94 marks in a test, what are the possibilities of his marking correct or wrong answer?

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Solution

Since, Yash scored 94 marks.
So, $m i n i m u m c o r r e c t a n s w e r = \frac{T o t a l m a r k s}{M a r k s f o r 1 c o r r e c t a n s w e r} = \frac{94}{2} = 47$
Hence, there are two possibilities:
(i) 47 correct answers and 3 unattempted.
(ii) 48 correct answers, 1 unattempted and 1 wrong answer.

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Question 133 In a true-false test containing 50 questions, a student is to be awarded 2 marks for every correct answer and -2 for every incorrect answer and 0 for not supplying any answer. If Yash scored 94 marks in a test, what are the possibilities of his marking correct or wrong answer?

Since, Yash scored 94 marks. So, minimum correct answer=Total marksMarks for 1 correct answer=942=47 Hence, there are two possibilities: (i) 47 correct answers and 3 unattempted. (ii) 48 correct answers, 1 unattempted and 1 wrong answer.

Question 133

In a true-false test containing 50 questions, a student is to be awarded 2 marks for every correct answer and -2 for every incorrect answer and 0 for not supplying any answer. If Yash scored 94 marks in a test, what are the possibilities of his marking correct or wrong answer?