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 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024