Complete the Myriad grid so that all the rows and columns, and all squares of the same colour, contain the numbers 1 to 7.

Place the numbers 1 to 9 in the cells so that the number in each circle is equal to the sum of the four surrounding cells and each colour total is correct.

Place the digits 1-9 in the spaces so that the number in each circle is equal to the sum of the four surrounding spaces.

Enter number into the squares so that every row, column and corner-tocorner diagonal adds up to the given total.

Complete the Number Square so that the numbers 1 to 25 are all in the grid, and all rows and columns add up to the totals indicated to the right and below.

©Guy Campbell.  Dist. Knight Features

Complete the six equations, three across and three downwards, by fitting all the digits from 1 to 9 into the empty green squares.

Can you solve this arithmetic task? The same symbols signify the same
figures. By logical thinking and trying out you come to the solution. A lot
of success!

Fit the given numbers into the hexagons so that where the hexagons touch, the numbers will be the same. No number is repeated in any hexagon.