Medium SOF International Mathematics Olympiad (IMO) · IMO Level 1 · . Sample How many diagonals does a rectangle have? A 1 B 2 C 3 D 4 Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
Two fair dice are thrown together. What is the probability that the sum of the numbers on the top faces is 8? SOF International Mathematics Olympiad (IMO) . Medium · Mathematics · 2026 See Explanation
In the system 2x + 3y = 12 and 4x − 3y = 6, which variable is eliminated by simply adding the two equations, and what is the solution? SOF International Mathematics Olympiad (IMO) . Medium · Mathematics · 2026 See Explanation
Two concentric circles have radii 5 cm and 3 cm. A chord of the larger circle touches the smaller circle. Find the length of the chord. SOF International Mathematics Olympiad (IMO) . Hard · Mathematics · 2026 See Explanation
Consider the data: 3, 5, 7, 5, 9, 5, 11, 7. I. The mode is 5. II. The median is 6. III. The mean is 7. Which of the statements are correct? SOF International Mathematics Olympiad (IMO) . Medium · Mathematics · 2026 See Explanation
The midpoint of the line segment joining A(2, −3) and B(x, y) is M(5, 1). Find the coordinates of B. SOF International Mathematics Olympiad (IMO) . Medium · Mathematics · 2026 See Explanation