mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

16 December

Arrange the digits 1-9 in a 3×3 square so that: the median number in the first row is 6; the median number in the second row is 3; the mean of the numbers in the third row is 4; the mean of the numbers in the second column is 7; the range of the numbers in the third column is 2, The 3-digit number in the first column is today's number.
median 6
median 3
mean 4
today's numbermean 7range 2

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

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

Archive

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