1.

4. In a class test (+3) marks are given for every correct answer and (-2) marks are given fevery incorrect answer and no marks for not attempting any question. (i) Radhika scor20 marks. If she has got 12 correct answers, how many questions has she attempteincorrectly? (ii) Mohini scores (-5) marks in this test, though she has got 7 correct answenHow many questions has she attempted incorrectly?

Answer»

answer is 13 +3and -2=1



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