SOF International Mathematics Olympiad (IMO)
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Set A
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2026
.
Sample
Find the median of the data set: 3, 17, 26, 31, 33, 35, 42
Explanation
Explanation
First arrange the data in ascending order: 3, 17, 26, 31, 33, 35, 42 (there are 7 values, an odd number). The median is the middle value, i.e. the 4th value, which is 31.
PRO TIP
Re-check your working by substituting the answer back into the original question.
Related Questions
Determine the nature of the roots of 3x² + (4)x + (-3) = 0 using the discriminant.