17. In a competition 3 marks are given for every correct answe
given for every incorrect answer and no marks for not attem
(1) Sachin scored 24 marks. If he got 14 correct answers, how
he attempted incorrectly?
(in) Nalini scores (-7) marks in this competition, though
answers. How many questions she has attempted incor
mine shaft at the rate of hm
into
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the second question is not clear.
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