How many squares, of any size, can you find on this chess board that do not contain a Rook?
[Ref: ZYLQ] © Kevin Stone
Hint: How many 1x1 squares are there?
There are 116 squares without a rook.
1x1: 61 squares.
2x2: 37 squares.
3x3: 15 squares.
4x4: 3 squares.
Can you find the hidden country in the following paragraph:
Welsh horses are my favourite animal. Tapir, llama, marmoset and elephant closely follow. I don't care much for English rabbits nor ocelot, adders, goldfish and spaniels.
[Ref: ZNDX] © Kevin Stone
Hint: The country begins with the letter M.
Welsh horses are my favourite ani pir, llama, marmoset and elephant closely follow. I don't care much for English rabbits nor ocelot, adders, goldfish and spaniels. mal. Ta
Can you complete the grid without forming a 3-In-A-Row of the same colour.
Each row and column has an equal number of Blue and White squares.
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[Ref: ZYEA] © Kevin Stone
Hint: Remember that you can't have three White or Blue squares together in a row or column.
Last week, I travelled from London to Stoke.
On the first day I travelled one half of the distance.
On day two, I travelled one third of the remaining distance.
On day three, I travelled three quarters of the remaining distance.
Yesterday I travelled one half of the remaining distance.
I now have 5 miles left to travel.
How far is it from Stoke to London in total?
[Ref: ZRBH] © Kevin Stone
Hint: Try working backwards.
Answer: 120 miles.
On the first day I travelled 60 miles, leaving 60 miles. On day two I travelled 20 miles, leaving 40 miles On day three I travelled 30 miles, leaving 10 miles. Yesterday I travelled 5 miles, leaving 5 miles.