Welcome to the Mathematical Questions website
Here we strive to gather interesting questions for you from various fields and from mathematics competitions from Israel and around the world. The site contains 963 questions.
How to get started?
Choose one of the following topics
Geometry
Solid Geometry / Geometry in Space
Trigonometry
Spherical Geometry
Plane Geometry
Vectors
Arithmetic
Fractions
Percentages
Division with Remainder
Number Theory
Prime Numbers
Chinese Remainder Theorem
Modular Arithmetic / Remainder Arithmetic
Greatest Common Divisor (GCD) and Least Common Multiple (LCM)
Triangular Numbers
Division
Combinatorics
Pigeonhole Principle
Double Counting
Binomial Coefficients and Pascal's Triangle
Product Rule / Rule of Product
Graph Theory
Matchings
Induction (Mathematical Induction)
Game Theory
Combinatorial Geometry
Invariants
Case Analysis / Checking Cases
Processes / Procedures
Number Tables
Colorings
Logic
Reasoning / Logic
Truth-tellers and Liars Problems
Algebra
Algebraic Techniques
Equations
Inequalities
Word Problems
Sequences
Proof and Example
Constructing an Example / Counterexample
Proof by Contradiction
Weighing
Set Theory
Minimum and Maximum Problems / Optimization Problems
Probability Theory
Puzzles and Rebuses
Matchstick Puzzles
Reconstruct the Exercise / Cryptarithmetic
Units of Measurement
Random question
In every forest with bears, there are no wolves, and in every forest with wolves, there are also foxes. In the magical forest, there are foxes. Is it possible that there are also bears there?