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8th Class Mathematics Factorisation Question Bank Factors & Multiples

  • question_answer
    Ten Students solved a total of 35 questions in a Global Math Olympiad. Each question was solved by exactly one student. There is at least one student who solved exactly one problem, at least one student who solved exactly two problems, and at least one student who solved exactly three problems. What is the minimum number of students who has/ have solved at least four problems?

    A)  1

    B)  2

    C)  6

    D)  5

    Correct Answer: C

    Solution :

    For minimum number of students, who has/ have solved at least 4 questions, the case is as follows: Exactly one student has solved one question; Exactly one student has solved two question; Exactly one student has solved three question; Exactly six student has solved four question; And exactly one student has solved five question;


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