6. In a competition 3 marks are given for every correct answer and (-2) marks are
every incorrect answer and no marks for not attempting any question.
(1) Sachin scored 24 marks. If he got 14 correct answers, how many questions has
he attempted incorrectly?
(ii) Nalini scores (-7) marks in this competition, though she has got 9 correct
answers. How many questions she has attempted incorrectly?
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