9. In a class test containing 15 questions, 5 marks are awarded for every correct answer -2 marks for every incorrect answer, and 0 marks for questions not attempted. (1) Raju gets 6 correct and 6 incorrect answers. What is his score? (11) Manish gets 7 correct and 8 incorrect answers. What is his score?
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Answer:
Total no of questions =15
Mark's given for one correct answer =5
Mark's given for one incorrect answer = -2
1.no of correct questions attempt by raju=6
=6×5
=30
Raju s' score is 30.
2.No of correct questions attempted by Manish=7
No of incorrect questions attempted by him=8
=7×8
=56
Manish score is 56.
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