In a class test containing 10 questions, 5 marks are awarded for every correct answer and (−2) marks are awarded for every incorrect answer and 0 for questions not attempted. Heena gets two correct and five incorrect answers out of seven questions she attempts. What is her score?
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Solution
Heena gets marks for two correct questions =2×5=10 She gets marks for five incorrect questions =5×(−2)=−10 Therefore, total score of Heena =10+(−10)=0 Thus, Heena gets 0 marks in a class test.