Puzzle 745
What number comes next in this sequence:
1 3 6 11 18 {?}
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Hint
The sequence is related to prime numbers.
Answer
29.
Each term increases by the next prime number.
Puzzle 746
What number comes next in this sequence:
1 4 1 5 9 2 {?}
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Hint
The full sequence starts with 3.
Answer
6.
These are the decimal places of π ≈ 3.1415926.
Puzzle 747
You can replace the dashes with the same four-letter word, and create two new words, one that starts with ARM, and one that ends in ING.
Can you find all possible four-letter words that work?
arm----
----ing
Puzzle Copyright © Kevin Stone
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Hint
There are 4 possible answers.
Answer
Band, load, lock, and rest, all create new words:
armband and banding
armload and loading
armlock and locking
armrest and resting
Note
Some dictionaries also allow ARMRACK, but others don't. So RACK is a unofficial possible answer.
Puzzle 748
Which letters come next in this sequence:
NE US RN ER RS {?}
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Answer
TH.
The last two letters of the planets in reverse order from the sun.
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