In a Quiz Contest, 2 points are given for every correct answer and -1 point is given for every wrong answer .Ram score 15 points if he got 9 answers correct , how many answers did he get wrong?
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3 answers are wrong.
Step-by-step explanation:
Points given for each correct answer= 2
Points given for 9 correct answer= 2×9 = 18
Points given for each incorrect answer= -1
Wrong answer= 18-15=3
Wrong answer=3
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