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North-South Foundation Academic Competition VIP Practice Exam
NSF — The North-South Foundation (NSF) is a U.S.-based nonprofit that organizes annual academic competitions for students of Chinese heritage across subjects including Mathematics, Science, Geography, English, and Computer Science at Chapter, Regional, and National levels; no single standardized passing score exists — this original practice set mirrors the difficulty and topic distribution of the NSF high-school division competitions.
29
Questions
90m
Time Limit
70.00%
To Pass
Question 1 of 29👑 VIP
A bacteria culture starts with 200 cells and doubles every 3 hours. Which expression correctly models the number of cells N present after t hours?
Questions 2–29 and full explanations are VIP-exclusive.