SOF IMO — Reasoning — Number Series Practice Test

Free, focused Reasoning — Number Series topic test for SOF International Mathematics Olympiad — 7 questions at real exam difficulty, with instant scoring and explanations.

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Practise Reasoning — Number Series for SOF IMO

Number Series is a scoring area in SOF IMO. This chapter test isolates Reasoning — Number Series so you can drill just this topic, find your weak spots, and fix them before sitting a full-length SOF IMO mock. Each attempt serves a fresh set of 7 questions from the SOF IMO Reasoning — Number Series bank.

Sample Number Series questions

Find the next number: 2, 4, 6, 8, ?
Find the next number: 5, 10, 20, 40, ?
Find the next number: 1, 4, 9, 16, ?
Find the next number: 3, 6, 9, 12, ?
Find the next number: 1, 1, 2, 3, 5, ?
Practise all 7 Number Series questions →

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Frequently asked questions

Does SOF IMO include Number Series questions?
Yes. Reasoning — Number Series is part of the SOF IMO syllabus. This topic test gives you 7 focused Number Series questions at real exam difficulty so you can master the chapter before the full mock.
Is the SOF IMO Number Series test free?
Yes — start the Number Series topic test free on Wrexa Edge. No credit card needed. You also get the full SOF IMO mock and 7+ other topic tests for this exam.
How many Number Series questions are there?
This Number Series drill has 7 questions. Each attempt draws a fresh set from the SOF IMO Reasoning — Number Series question bank, so you can repeat it for more practice.

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