2019 AMC 10A Problem 2
Attempt Problem 2 of the 2019 AMC 10A below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2019 AMC 10A solutions, or check the answer key.
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2.
What is the hundreds digit of
Answer: A
Solution:
Both and contain at least three factors of and three factors of , so both are divisible by
Their difference is therefore also divisible by
Being a multiple of makes the last three digits which shows that the hundreds digit is also
Thus, A is the correct answer.
Problem 2 in Other Years
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