SOF International Mathematics Olympiad (IMO)
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Set A
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2024
.
Sample
Find the next number in the series: 10, 12, 14, 16, ?
Explanation
Explanation
Each term increases by a constant difference of 2 (i.e. 12-10=2, 14-12=2, and so on). Continuing the pattern, the next term = 16 + 2 = 18.
PRO TIP
Re-check your working by substituting the answer back into the original question.
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