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SOF International Mathematics Olympiad
SOF math olympiad for school students. 35–50 questions across Logical Reasoning, Mathematical Reasoning, Everyday Mathematics, and an Achievers Section.
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Matrix and Pattern CompletionComplete the following 3×3 matrix by finding the pattern. What number should replace the question mark? Row 1: 7, 10, 13 Row 2: 11, 14, 17 Row 3: 15, 18, ?
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| # | Student | Score |
|---|---|---|
| 1 | Venu M. | 0.0% |
What can I get from SOF IMO?
Mock-score → expected rank → likely outcome. Use the mocks below to find your current band, then plan how many marks you need to climb.
International Top 3 — Elite
97–100% · Post-based exam (no numeric rank)
Top 25 internationally
92–97% · Post-based exam (no numeric rank)
Top 100-500 internationally
85–92% · Post-based exam (no numeric rank)
International rank contender
75–85% · Post-based exam (no numeric rank)
State level performer
60–75% · Post-based exam (no numeric rank)
School/Zonal level achiever
40–60% · Post-based exam (no numeric rank)
Participation level
0–40% · Post-based exam (no numeric rank)
AI-curated from historic cut-off patterns. Always verify with the latest official notification before making decisions.
SOF has released the official Level 1 exam dates: 23rd October 2026, 26th November 2026, and 10th December 2026. Schools can choose any one date for conducting the exam. Sample papers are now available on sofworld.org.
Registration forms for the 2026-27 SOF Olympiad cycle have been dispatched to schools across India. Schools must submit registrations at least 30 days before their chosen exam date.
Level 2 exam for students of Classes 3-12 who qualify from Level 1 is tentatively scheduled for the 2nd or 3rd Sunday of February 2027. Official dates will be confirmed by December 2026.
SOF declared the IMO, NSO, IEO Level 2 Results for the 2025-26 academic session. Students can check their results online at sofworld.org using registration credentials.
School registration deadline (Date 1 - 23rd Oct)
75 days awayWed, 23 Sept, 2026
Schools must submit registrations 30 days before chosen exam date
🏅Level 1 Exam - Date 1 (Set A)
105 days awayFri, 23 Oct, 2026
23rd October 2026 - Schools choose one of three dates
School registration deadline (Date 2 - 26th Nov)
109 days awayTue, 27 Oct, 2026
Schools must submit registrations 30 days before chosen exam date
🏅Level 1 Exam - Date 2 (Set B)
139 days awayThu, 26 Nov, 2026
26th November 2026 - Different question paper from Date 1
🏅Level 1 Exam - Date 3 (Set C)
153 days awayThu, 10 Dec, 2026
10th December 2026 - Different question paper from Dates 1 & 2
Level 2 exam date announcement expected
175 days awayFri, 1 Jan, 2027
SOF typically announces Level 2 dates by December
Click any topic to read study notes
Verbal and Non-Verbal Reasoning
Mixed verbal and figure-based reasoning patterns.
Number and Alphabet Series
Find the next or missing term in a number or alphabet series.
Analogy and Classification
Identify the matching pair or odd one out among words, numbers and figures.
Coding-Decoding
Encrypt or decode words and numbers using a given rule.
Mathematical Operations
Symbol substitution, BODMAS and operator-based logic problems.
Direction Sense Test
Compass-based movement and final position/distance problems.
Blood Relations
Family tree and pointing-style relationship problems.
Ranking and Arrangement
Linear seating, ranks from top/bottom and order-of-arrangement problems.
Embedded and Hidden Figures
Spot a smaller figure embedded in a complex one.
Mirror and Water Images
Mirror and water reflections of letters, numbers and figures.
Paper Folding and Cutting
Predict appearance of paper after folding, punching and unfolding.
Cubes and Dice
Cube colouring, opposite faces of dice and counting cubes.
Matrix and Pattern Completion
Complete a 3×3 matrix or repeating pattern with the right element.
Number Systems
Real numbers, rational/irrational numbers, decimal expansions and laws of exponents for real numbers.
Polynomials
Zeroes, remainder theorem, factor theorem and algebraic identities.
Coordinate Geometry
Cartesian plane, plotting points, distance formula and section formula.
Linear Equations in Two Variables
Solution graphs, substitution, elimination and cross-multiplication methods.
Introduction to Euclid's Geometry
Euclid's axioms, postulates and basic geometrical proofs.
Word Problems Application
Real-life word problems based on the math syllabus.
Percentage, Profit and Loss
Applied percentage, profit/loss, discount and successive percentages.
Time, Speed and Distance
Trains, boats and streams and average-speed problems.
Time and Work
Work efficiency, pipes-and-cisterns and joint-work problems.
Simple and Compound Interest
SI/CI computations and instalment-based problems.
Higher Order Mathematical Thinking
HOTS questions extending IMO math topics into multi-step proofs.
Problem Solving
Mixed-topic numerical problems that combine reasoning and math.
Applied Geometry and Mensuration
Multi-shape area/volume problems from real-life contexts.
Data Handling and Statistics
Interpret tables, graphs and probability scenarios.
Level 1 Results expected
205 days awaySun, 31 Jan, 2027
Results typically 4-5 weeks after exam; available at results.sofworld.org
🏅Level 2 Exam (tentative)
230 days awayThu, 25 Feb, 2027
Tentatively 2nd or 3rd Sunday of February 2027; Classes 3-12 only
Lines and Angles
Pairs of angles, parallel lines, transversals and angle sum properties.