KVPY SA Exam 2011 Question Paper

Question : 15 of 80

Marks: +1, -0

There arc 30 questions in a multiple-choice test. A student gets 1 mark for each unattempted question, 0 mark for each wrong answer and 4 marks for each correct answer. A student answered x questions correctly and scored 60. Then the number of possible value of x is

Validate

Solution:

\table \Right(4 \marks),\Wrong(0 \mark),\Unattempted(1 \marks);15,15,0;14,,4;13,,8; 12,,12;11,,16;10,,20

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