In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer.Jay answered all the questions and scored (-12) marks though he got 4 correct answers. How many incorrect answers had he attempted?
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Marks given for 4 correct answers = 4 × 5 = 20
Jays ' scored = - 12
Marks obtained for incorrect answers = - 12 - 20 = -32
.°. No. of incorrect answers = (-32) ÷ (-2) = 16
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