mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

22 December

22 is two times an odd number. Today's number is the mean of all the answers on days (including today) that are two times an odd number.
Clarification: You are taking the mean for answers on days that are two times an odd numbers; ie. the days are two times odd, not the answers.

21 December

Today's number is a multiple of three. The average (mean) of all the answers that are multiples of three is a multiple of 193.
Tags: averages, mean

16 December

Today's number is four thirds of the average (mean) of the answers for 13th, 14th, 15th and 16th December.

Show answer

Mean, median, mode, range

A Find five one-digit positive integers which have a mean of 4, mode of 6, median of 4 and a range of 5.
B Find five one-digit positive integers which have a mean of 3, mode of 1, median of 1 and a range of 8.
C Find five one-digit positive integers which have a mean of 3, mode of 2, median of 2 and a range of 5.

Show answer & extension

Archive

Show me a random puzzle
 Most recent collections 

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2019