in a class test of 10 questions 3 marks are awarded for every correct answer and 2 marks are given for every in correct answers no marks are given for uattempted questions . bob answers 2 questions correctly but scored - 4 marks how many questions did he got wrong
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(i) Mohan gets four correct and six incorrect answers. What is his score?
(ii) Reshma gets five correct answers and five incorrect answers, what is her score?
(iii) Heena gets two correct and five incorrect answers out of seven questions she attempts. What is her score?
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