🔢 Math & Numbers Trivia
Quiz Set 19 — Math Puzzles
Answer all 10 questions. Click an option to see if you got it right!
Question 1 of 10
What is the Monty Hall problem about?
Switching doors gives you a 2/3 chance of winning vs 1/3 for staying.
Question 2 of 10
How many squares on a chess board (all sizes)?
There are 204 squares of all sizes on a standard 8×8 chess board.
Question 3 of 10
What is a magic square?
A magic square has equal sums across all rows, columns, and diagonals.
Question 4 of 10
If you fold paper in half 42 times, how thick?
2^42 × 0.1mm ≈ 440,000 km, roughly the distance to the Moon.
Question 5 of 10
What is the Towers of Hanoi puzzle about?
Move disks between 3 pegs, never placing a larger disk on a smaller one.
Question 6 of 10
How many moves for a 4-disk Tower of Hanoi?
Minimum moves = 2^n - 1 = 2^4 - 1 = 15.
Question 7 of 10
What is a palindromic number?
Examples: 121, 1331, 12321 — same forwards and backwards.
Question 8 of 10
What is the Collatz conjecture about?
Start with any positive integer; if even divide by 2, if odd multiply by 3 and add 1. The conjecture says you always reach 1.
Question 9 of 10
What is Zeno's paradox about?
Zeno argued that motion requires crossing infinite half-distances, suggesting movement is impossible.
Question 10 of 10
How many different ways can you arrange 4 books?
4! = 4×3×2×1 = 24 arrangements.