In an entrance exam student are to get 4 marks for each correct answer and 2 marks are taken away for every incorrect answer. The total number of questions are 20. a) What are the marks scored by Rayan if the number of correct answers are 16?
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The number of correct answer= 16
The number of incorrect answer=20-16=4
The marks scored by Rayan = (16×4)-(4×2)
= 64-8
= 56:- ans
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