in a test (+5) marks are given for every correct answer and (-2) marks are given for
every incorrect answer.
(a) Mahek answered all the questions and scored 30 marks and get 10 correct
answers.
(b) Aryan also answered all the questions and scored (-12) marks though he got 4
correct answers.
How many incorrect answers had they attempted?
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26 QUESTIONS ARE ATTEMPTED WRONG
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