In a class test containing 10questions 3marks are given for every correct answer and minus 2 marks are given for every incorrect answer Sandeep attempts all questions but only 6 answers are correct. what is his score
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he gained 18 marks on 6 questions....and he lost 8 marks on remaing 4 questions because total marks are 26
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10 is the answer
3x6=18
2x4=8
18-8=10
3x6=18
2x4=8
18-8=10
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