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If 30 students are distributed across 7 days of the week, at LEAST one day must have how many students or more (pigeonhole)?
A$3$ students
B$4$ students
C$5$ students
D$6$ students
Answer & Solution
Correct answer: C. $5$ students
Pigeonhole: ⌈30/7⌉ = 5. At least one day must have 5 or more students.
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