➗ Mathematics

Maths Quiz Questions & Answers 2026 — 100 Q&A

Arithmetic, algebra, geometry, statistics and famous mathematicians quiz questions

📖 9 min read ❓ 50 quiz questions 🗓️ Updated Jun 2026

Ready to test your knowledge? Take the Quiz →

Mathematics in Quiz Competition

Math questions in quizzes test logical thinking, number sense, and knowledge of famous theorems and constants. Even if you're not a mathematician, knowing key facts and formulas gives you a huge edge.

Famous Mathematical Constants

π (Pi) = 3.14159265... — Ratio of circle's circumference to diameter.
e (Euler's number) = 2.71828... — Base of natural logarithm.
φ (Golden ratio) = 1.61803... — Found in nature, art, and architecture.
√2 = 1.41421... — Diagonal of a unit square; first known irrational number.
0 — Invented independently in India and Mesoamerica; revolutionary concept in mathematics.

Number Types You Must Know

🔢 Prime numbers: Divisible only by 1 and themselves (2, 3, 5, 7, 11, 13...).
🔢 Perfect numbers: Equal to sum of their divisors (6 = 1+2+3; 28 = 1+2+4+7+14).
🔢 Fibonacci sequence: Each number is sum of previous two (1, 1, 2, 3, 5, 8, 13, 21...).
🔢 Irrational numbers: Cannot be expressed as a fraction (π, e, √2).
🔢 Imaginary numbers: Square root of negative numbers; i = √(-1).

Famous Mathematicians

🏛️ Euclid (~300 BCE) — Father of geometry; wrote "Elements".
🍎 Isaac Newton (1643–1727) — Co-invented calculus; laws of motion and gravity.
📐 Pythagoras (~570–495 BCE) — Pythagorean theorem; music and numbers.
🔢 Carl Friedrich Gauss (1777–1855) — "Prince of Mathematics"; number theory.
💡 Leonhard Euler (1707–1783) — Most prolific mathematician; Euler's identity e^(iπ)+1=0.
♾️ Georg Cantor (1845–1918) — Founder of set theory; discovered multiple infinities.

Geometry Fundamentals

Triangle interior angles sum to 180°.
Quadrilateral interior angles sum to 360°.
Circle area = πr²; circumference = 2πr.
Volume of a sphere = (4/3)πr³.
A right angle is exactly 90°; an obtuse angle is between 90° and 180°.

50 Math Quiz Questions

What is 15% of 200? (30)
What is the square root of 144? (12)
How many sides does a hexagon have? (6)
What is the next prime number after 7? (11)
What is 2 to the power of 10? (1,024)
What is the area of a circle with radius 5? (78.54 or 25π)
What are the first 5 Fibonacci numbers? (1, 1, 2, 3, 5)
What is the Roman numeral for 50? (L)
What angle is supplementary to 70°? (110°)
What is 1,000,000 in scientific notation? (1 × 10⁶)

❓ Frequently Asked Questions

What is the value of Pi (π)?

Pi (π) is approximately 3.14159265358979... It is the ratio of a circle's circumference to its diameter. Pi is irrational — it never repeats and never ends.

Who invented calculus?

Calculus was independently developed by Sir Isaac Newton and Gottfried Wilhelm Leibniz in the late 17th century (around 1665–1676). There was a historic dispute about who invented it first.

What is Pythagoras's theorem?

In a right-angled triangle, the square of the hypotenuse equals the sum of squares of the other two sides: a² + b² = c². This is one of the most fundamental theorems in mathematics.