Hard SOF International Mathematics Olympiad (IMO) · IMO Level 1 · . Sample A ₹500 item is sold for ₹575. The profit percentage is: A 10% B 12% C 15% D 20% Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
How many factors does the number 36 have? SOF International Mathematics Olympiad (IMO) . Medium · Mathematics · 2026 See Explanation
Fill in the blank: The ratio of boys to girls in a class is 4 : 5. If the class has 36 students in all, the number of girls is ______. SOF International Mathematics Olympiad (IMO) . Medium · Mathematics · 2026 See Explanation
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