Mathematics · Linear Equations and Diophantine Equations
In an exam, questions of three difficulty levels—hard, medium, and easy—fetch 7, 3, and 2 marks respectively if correct, and 0 if incorrect. Three students obtained 30 marks each in three distinctly different combinations of correct questions, but the total number of questions correctly answered by each student was the same. What is the total number of questions correctly answered by each student?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 412
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10
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