in a test plus 4 marks are given for every correct answer and minus 2 marks for every wrong answer Rohit answered all the questions and scored 68 marks 25 answer correct how many of the questions he attempted were incorrect
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answer is 16
4 marks for every correct answer
25 correct answers.so,25x4=100marks
but he got 68 marks
100-68=32
minus 2 marks for each wrong answer
so,32÷2=16
so,he attempted 16 wrong answers
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