in a class test, there are 20 questions . 4 mark are given for every correct answer and (-1) mark is given for every incorrect answer find the total mark obtained by.
i) Ravi, if he attempts 15 questions and 8 of his answers are incorrect.
ii) Leena,if she attempts all questions but only 12 of her answers are correct.
please solve
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Ravi = 20 marks
Leena = 40 marks
rajeshkumar61:
solve
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