Puzzle 265
What are the next two letters in this sequence:
O · T · T · F · F · S · S · E · ? · ?
workings
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answer
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Hint
This is a very common sequence.
Puzzle 266
What is the next number in this sequence:
1 · 2 · 4 · 14 · 21 · ?
Puzzle Copyright © Kevin Stone
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Hint
Try writing the numbers as words.
Answer
22.
This is a sequence of numbers that contain the letter O.
One, two, four, fourteen, twenty-one, twenty-two.
Puzzle 267
Which letter is missing from this sequence:
b · c · e · g · k · q · s · w
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Hint
Convert the letters to positions in the alphabet.
Answer
M.
Reasoning
These are letters that occupy prime number positions in the alphabet:
b = 2
c = 3
e = 5
g = 7
k = 11
m = 13 *
q = 17
s = 19
w = 23
Puzzle 268
What always weighs the same …
… no matter how large it is?
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Hint
There are at least 4 answers that fit the question.
Answer
A hole or a vacuum, or perhaps a set of scales, or maybe a shadow.
