in a test +5 mark given for every correct answer and -2 mark are given for every incorrect answer. Rahul answered all questions and scored 40 marks though he got 16 correct answer. how many incorrect answer he answered
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Answer:
TOTAL MARKS = 40 SCORED
16 CORRECT ANSERS = 80 MARKS
INCORRECT MARKS = CORRECT - TOTAL
= 80-40 = 40
INCORRECT ANSWERS ANSERRED BY HIM = 40/2 = 20
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