Iron Round 1
Welcome to Iron Round 1! This is the first competition hosted by SolveFire, so please make sure to leave your feedback on the problems and the website! The competition will run for 24 hours, and you may begin at any time.
Start Time
Feb 15, 08:00 PM UTC
End Time
Feb 16, 08:00 PM UTC
Participants
59
Time Limit
60 min
Rules
We rely on the honor system. Please do not use AI or anyone else's help to solve these problems to ensure that this competition remains fair and enjoyable for everyone. Once you join the competition, you will have 1 hour to complete 15 problems. All answers in this competition should be in decimal format, rounded to the nearest tenth(2/10 should be 0.2, 2/3 should be 0.7, and 800 should remain 800). You may use a calculator to calculate the final answer.
Problems
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Competition ended on 2/16/2026.
Problems from this competition are now available in the Problem Set.