Question

15. A class test contains 18 questions. 3 marks are awarded for every correct answer and (-1) mark is awarded for
every incorrect answer. Find the total marks obtained by
(a) Aarti, if she attempts 13 questions but only 10 of her answers are correct,
(b) Tanu, if she attempts all questions and 4 of her answers are incorrect.
(c) Rani, if she attempts all questions and the number of correct and incorrect answers are same.​

Answer 1

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