Medium SOF International Mathematics Olympiad (IMO) · IMO Level 1 · 2015 . Sample Find the mean of 12, 14, 16, 18, 20. A 20 B 18 C 16 D 14 Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
Simplify the fraction 30/60. SOF International Mathematics Olympiad (IMO) . Medium · Mathematics · 2015 See Explanation
Find the next term: 2, 4, 6, 8, ? SOF International Mathematics Olympiad (IMO) . Medium · Mathematics · 2013 See Explanation
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Find the mean of 23, 25, 27, 29, 31. SOF International Mathematics Olympiad (IMO) . Hard · Mathematics · 2013 See Explanation