Puzzle 1
What number comes next in this sequence:
1 2 2 4 8 11 33 37 148 ?
Puzzle Copyright © Kevin Stone
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Hint
The sequence involves both adding and multiplying in some way.
Answer
153.
The sequence is created using: +1 x1 +2 x2 +3 x3 +4 x4 +5.
Puzzle 2
I was quite bored yesterday, so I visited my local animal sanctuary.
To pass the time, I counted 612 legs.
This came from an equal number of beetles, spiders, and mice.
Can you work out the total number of animals I counted?
Puzzle Copyright © Kevin Stone
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Hint
A beetle has six legs, a spider has eight legs, and a mouse has four legs.
Answer
102 animals, 34 of each.
Reasoning
As there are the same number of each animal, for every beetle, spider, and mouse counted, there are a total of 18 legs.
612 ÷ 18 = 34 of each animal.
Which gives a total of 34 x 3 = 102 animals.
Puzzle 3
Which of the shapes is identical to the first one?
There might be more than one.
Puzzle Copyright © Robert A. Hartmann
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Hint
Try to rotate them around in your head, but watch out for mirror images.
Puzzle 4
Using all of the letters A to Z, each once only, complete these common words. There are currently 2 different answers, can you find them both?
-ai-e
s-ua-
-e-el
-o-ed
-na-e
fog--
c--mp
b--jo
-r-it
-re-t
-av-n
mu--c
mou--
Puzzle Copyright © Kevin Stone
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Hint
The first word begins with the letter M.
Answers
-ai-e = maize (MZ)
s-ua- = squad (QD)
-e-el = jewel (JW)
-o-ed = foxed (FX)
-na-e = knave (KV)
fog-- = foggy (GY)
c--mp = clump (LU)
b--jo = banjo (AN)
-r-it = orbit (OB)
-re-t = crept (CP)
-av-n = raven (RE)
mu--c = music (SI)
mou-- = mouth (TH)
Alternative Answers
Maize, squad, jewel, boxed, knave, foggy, clomp, banjo, fruit, crept, raven, music, mouth.
Can you find another?
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