Puzzle 1
Each of the following sets of letters can be made into a real word by adding three letters to the beginning, and the same three letters in the same order to the end.
ertainm
iscove
row
ioxid
rocos
For example:
iperspir
??? + iperspir + ???
ant + iperspir + ant
antiperspirant
Puzzle Copyright © Elliott Line This puzzle appeared in Mensa's EnigmaSig (203.08) and is used with permission.
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Hint
The first letters of the words are: E, R, I, A, M.
Answers
ent + ertainm + ent = entertainment
red + iscove + red = rediscovered
ing + row + ing = ingrowing
ant + ioxid + ant = antioxidant
mic + rocos + mic = microcosmic
Puzzle 2
What letter comes next in this sequence:
X L C D ?
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Answer
M.
Reasoning
1,000 in Roman numerals.
X = 10
L = 50
C = 100
D = 500
M = 1,000
Puzzle 3
What letter is missing from this sequence:
A A A A ? A A A A A A
Clue: the answer is not A!
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Hint
Think of an alternative alphabet.
Answer
N.
From epsiloN, last letters of the Greek alphabet, alpha, beta, gamma, delta, epsilon, zeta, eta, theta, iota, kappa, lambda, mu.
Puzzle 4
What common animal comes next in this sequence:
eel cat lion ibex panda squirrel ?
Puzzle Copyright © Kevin Stone
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Hint
Look at the initial letters.
Answer
Elephant.
The initial letters form the word ECLIPSE, so any animal beginning with E will work.
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