Puzzle 2
What number comes next in this sequence? There are two possible answers, can you find them both?
1 · 23 · 124 · 1251 · 26127 · 128129 · ?
Puzzle Copyright © Kevin Stone
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Hint
Try removing the spaces from the sequence.
Answer
1301311 or 1210121.
Reasoning
Removing spaces from the original sequence gives:
123124125126127128129
Now adding spaces back in:
123 124 125 126 127 128 129
Answer #1
The next few terms could be the next 3 numbers:
123 124 125 126 127 128 129 + 130 131 132
Remove the spaces:
123124125126127128129130131132
Now break the sequence into chunks of increasing size:
1 23 124 1251 26127 128129 1301311
One possible answer is 1301311.
Answer #2
The next few terms could be 12 + 10, 12 + 11, 12 + 12:
123 124 125 126 127 128 129 + 1210 1211 1212
Remove the spaces:
123124125126127128129121012111212
Now break the sequence into chunks of increasing size:
1 23 124 1251 26127 128129 1210121
Another possible answer is 1210121.
Puzzle 3
Can you complete this grid of letters?
Each line is a valid 5-letter word with its first and last letters missing.
The missing letters form a word when read downwards, and the same word appears both at the start and at the end.
What is the missing word?
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Note: this puzzle is not interactive, and the squares cannot be clicked.
Puzzle Copyright © Kevin Stone
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Hint
The first missing letter is D, giving DineD.
Answer
DENTS.
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Puzzle 4
Below, you will find some eight-letter words, with only their endings remaining.
Can you find the words?
-----yee
-----egy
-----igm
-----lse
-----com
-----bet
-----lel
-----dee
Puzzle Copyright © Kevin Stone
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Hints
The first letters of the words are: E, S, P, C, I, A, P, A.
Answers
-----yee = employee
-----egy = strategy
-----igm = paradigm
-----lse = convulse
-----com = intercom
-----bet = alphabet
-----lel = parallel
-----dee = attendee