SOF International Mathematics Olympiad (IMO)
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Set A
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2026
.
Sample
Find the median of the data set: 16, 19, 20, 31, 35, 41, 42
Explanation
Explanation
First arrange the data in ascending order: 16, 19, 20, 31, 35, 41, 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
A polynomial p(x) has degree 2 and another polynomial q(x) has degree 4. What is the degree of p(x) × q(x)?