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Puzzle 613 


Can you find a three-digit number such that when you reverse the numbers you get a larger number and the product of these two numbers is 224455?

Puzzle Copyright © Kevin Stone

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Puzzle 614 


This is a very special sequence and is complete, but what is the missing letter?

T  I  A  V  S  S  A  I  C  ?  W  I  T  M  L

Puzzle Copyright © Kevin Stone

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??

Puzzle 615 


What number comes next in this sequence:

1  8  9  64  25  216  49  ?

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??

Puzzle 616 


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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