mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2020

2 December

Carol draws a square with area 62. She then draws the smallest possible circle that this square is contained inside. Next, she draws the smallest possible square that her circle is contained inside. What is the area of her second square?

Show answer

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022


List of all puzzles

Tags

3d shapes coordinates the only crossnumber calculus triangle numbers symmetry dominos complex numbers albgebra prime numbers expansions tournaments percentages speed matrices dodecagons number integration christmas perfect numbers geometric mean polynomials rectangles money palindromes regular shapes multiplaction squares spheres sum to infinity axes averages digits grids lists star numbers means geometric means probabilty hexagons square roots shapes cards decahedra 2d shapes bases elections neighbours addition pentagons square numbers dates tiling crossnumbers factors logic median ave cubics parabolas division binary odd numbers perimeter quadratics volume colouring scales multiplication wordplay floors medians sums differentiation squares chalkdust crossnumber polygons determinants cube numbers fractions prime factors games square grids irreducible numbers sets cryptic crossnumbers advent ellipses circles consecutive integers time area consecutive numbers planes crosswords routes proportion xor multiples algebra range angles triangles chocolate gerrymandering unit fractions rugby menace coins integers powers combinatorics pascal's triangle digital clocks probability doubling even numbers remainders chess trigonometry arrows digital products factorials indices partitions folding tube maps graphs mean geometry quadrilaterals sequences books taxicab geometry surds products numbers people maths sport shape balancing dice cryptic clues clocks lines functions tangents

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026