Puzzle 17
Moving from letter to letter using the moves of a chess knight, can you find the letters 'PUZZLES' in order?
Z
E
Z
S
Z
P
S
U
P
S
P
L
P
Z
S
U
L
U
U
E
U
E
E
P
U
S
U
P
P
Z
L
L
U
P
Z
Z
U
Z
S
U
L
P
E
P
Z
Z
E
L
U
Note: this puzzle is not interactive, and the squares cannot be clicked.
The moves of a knight are:
Puzzle Copyright © Kevin Stone
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Hint
It might be easier to find the S first.
Answer
Start with the P in the 5th row, 6th column:
Puzzle 18
Moving up or right, what is the largest total you can make, using the mathematical signs along the way?
+
4
−
2
+
2
2
+
2
−
2
+
−
1
+
2
−
4
2
−
1
+
1
−
+
1
−
2
+
3
3
+
3
−
4
+
Note: this puzzle is not interactive, and the numbers cannot be clicked.
Puzzle Copyright © Kevin Stone
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Answer
The largest total that can be made is 8.
Puzzle 19
How many squares are in the drawing below?
Note: this puzzle is not interactive, and the squares cannot be clicked.
Puzzle Copyright © Kevin Stone
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Hint
There are fewer than 20 squares.
Answer
18 squares.
In the solution below, you can see 6 squares in the middle, with another 12 squares around the outside.
Puzzle 20
At a local village gala, the entire population turned up, 500 people.
The event raised £3,000.
Tickets were priced as follows:
£7.48 men
£7.12 women
£0.45 children
How many children were there?
Puzzle Copyright © Kevin Stone
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Hint
Try fixing the number of children to see what happens.
Answer
92.
With 149 men and 259 women. The best way is to fix the number of children and play around with the numbers of the men and women to see what happens as these are changed. It soon becomes apparent how changing the children changes the answer and 92 is soon found.
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