Mathematics · Algebra and Combinatorics
In an exam, hard, medium, and easy questions carry 7, 3, and 2 marks respectively for correct answers and 0 for incorrect ones. Three students scored 30 marks each in three distinct combinations of correct question types, but all three correctly answered the exact same total number of questions. What is the total number of questions correctly answered by each student?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Correct answer
10
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