Puzzle 1
In this long division, each number has been replaced by another. The answer has also been removed. Can you determine the answer?
....
———————
75 | 796767
791
——
57
30
——
86
82
——
47
47
——
9
Puzzle Copyright © Kevin Stone
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Puzzle 2
What is the smallest integer, which, when multiplied by 7 gives a number consisting of only 4's?
Puzzle Copyright © Kevin Stone
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Puzzle 3
What is it that goes up and goes down...
...but does not move?
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Puzzle 4
Training Stars #1 - Logic Puzzles
The first group of trainee astronauts are all sitting around the table, waiting to start their first day of training.
From the clues given below, can work out where everyone sits?
Seat 1 is next to Seat 2 and Seat 8, etc. Seat 5 is across from Seat 1, and Seat 7 is across from Seat 3, etc. Seat 2 is a higher seat number than Seat 1, etc.
William is next to Alisa and Nick.
William is across from George.
Amanda is next to Sarah.
Sarah is across from Eric.
Nick is next to Eric.
Sydney is in Seat 4 and sits next to George.
George has a higher seat number than Sydney.
Alisa is not in Seat 2.
Puzzle Copyright © Randall Fine
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