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;You need to login to perform this action.
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