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.

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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

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Random question

MRS. TIMPKINS'S AGE

Edwin: "Do you know, when the Timpkinses married eighteen years ago Timpkins was three times as old as his wife, and to-day he is just twice as old as she?"

Angelina: "Then how old was Mrs. Timpkins on the wedding day?"

Can you answer Angelina's question?