Mathematics · Linear Equations
Roy is attempting a question paper where he gets 3 marks for every correct answer and 1 mark is deducted for every wrong answer. After attempting 60 questions, Roy's total score is 100 marks. Find the number of questions he answered incorrectly.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 130
- 220✓
- 315
- 425
Correct answer
20
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