In an examination (+2) marks are given for each correct answer and (-1) for every wrong answer and 0 marks for not attempting the question .Abhimanyu scored 30 marks in that examination. If he got 20 correct answers, then how many incorrect answers he got?
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Step-by-step explanation:
Marks for correct answer : 2
Marks for incorrect answer : -1
Number of correct answers Abhimanyu got = 20
Marks Abhimanyu should have got = 20*2 = 40
Marks Abhimanyu got = 30
Marks reduced = 40-30 = 10
Answers got incorrect = 10/1 = 10
∴ Abhimanyu got 10 incorrect answers
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