In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. (i) Radha answered all questions and scored 30 marks though she got 10 correct answers. (ii) Jay also answered all questions and scored (-12) marks though he got 4 correct answers. How many incorrect answers have they attempted?
mille:
which capter
i mean chapter
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how many questions in that test??
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