Puzzle 1
Can you find every occurrence of the word NOVEMBER that appears in this grid (horizontally, vertically, or diagonally)?
The hint will reveal the number of times it occurs, but where are they?
Note: this puzzle is not interactive, and the letters cannot be selected.
Puzzle Copyright © Kevin Stone
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answer
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Hint
The word NOVEMBER appears 22 times.
Answer
The word NOVEMBER appears 22 times.
Puzzle 2
If 5 cats can catch 5 rats in 5 minutes …
… how many cats do you need to catch 100 rats in 100 minutes?
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answer
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Hint
How many rats can one cat catch in 5 minutes?
Answer
5.
5 cats can catch 5 rats in 5 minutes.
So
1 cat can catch 1 rat in 5 minutes.
1 cat can catch 2 rats in 10 minutes.
1 cat can catch 20 rats in 100 minutes.
Therefore
5 cats can catch 100 rats in 100 minutes.
Puzzle 3
What number comes next in this sequence:
1 · 2 · 6 · 24 · 120 · ?
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Answer
720.
Each term is a factorial, 6! = 1 x 2 x 3 x 4 x 5 x 6 = 720.
Puzzle 4
Start from the central 'F' and move horizontally or vertically, and collect the letters needed to spell 'FIND' (in any order). How many routes can you take?
D
N
I
D
D
N
D
I
D
D
I
N
F
I
I
N
I
N
D
D
I
D
I
D
N
Note: this puzzle is not interactive, and the letters cannot be clicked.
Puzzle Copyright © Kevin Stone
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hint
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Hint
You can't move diagonally.
Answer
5.
Reasoning
Starting with the central F, you can move:
Up (D), Up (I), Left (N).
Left (N), Left (I), Left (D).
Left (N), Left (I), Up (D).
Down (D), Left (N), Left (I).
Down (D), Down (I), Down (N).
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