2014 AMC 12A Problem 16
Below is the professionally curated solution for Problem 16 of the 2014 AMC 12A, from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2014 AMC 12A solutions, or check the answer key.
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Difficulty rating: 1660
16.
The product where the second factor has digits, is an integer whose digits have a sum of What is
Solution:
By carrying out the multiplication, which has ones.
The digit sum is Setting gives
Thus, the correct answer is D.
Problem 16 in Other Years
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