in an exam 3 marks are awarded for each correct answer and one mark is deducted for each incorrect answer which soldier attempts 33 questions and first 71 find the correct answers
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Answer: 26
Step-by-step explanation:
Let x be the no of correct answers. Then 33-x will be the no of incorrect answers.
So 3x - (33-x) = 71
4x = 104
x=26
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