Puzzle 21
Bank Robbery #2 - Logic Puzzles
After a local bank robbery, four suspects were interviewed. Below is a summary of their statements.
The police know that each of them told the truth in one of the statements, but lied in the other.
From this information, can you tell who committed the crime?
Ashley said:
It wasn't Drew
It wasn't Billie
Billie said:
It wasn't Casey
It was Drew
Casey said:
It was Ashley
It wasn't Drew
Drew said:
It was Casey
It wasn't Ashley
Puzzle Copyright © Kevin Stone
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Hint
Remember that each of them told the truth in one of their statements, but lied in the other.
Answer
Billie robbed the bank.
Reasoning
We know that each of them told the truth in one of the statements and lied in the other.
So according to Ashley, as one of the statements is false, it must have been either Drew or Billie.
If it was Drew, then Billie's statements would both be true, which isn't allowed.
Therefore, it was Billie, which agrees with Casey and Drew's statements.
Puzzle 22
Chess Tournament - Logic Puzzles
The results of a recent Chess tournament between five close rivals is described below:
Dale finished before Alex.
Emery finished after Bailey.
Alex finished before Chris.
Emery finished after Dale.
Bailey finished before Alex.
Dale finished after Bailey.
Chris finished before Emery.
Who finished where?
Puzzle Copyright © Kevin Stone
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Hint
Try rewriting each statement so that they are all 'finished before' statements instead.
Answer
Bailey won...
...then Dale, Alex, Chris, and Emery.
Reasoning
By placing the person who finished higher to the left, we have:
Dale finished before Alex (Dale > Alex)
Emery finished after Bailey (Bailey > Emery)
Alex finished before Chris (Alex > Chris)
Emery finished after Dale (Dale > Emery)
Bailey finished before Alex (Bailey > Alex)
Dale finished after Bailey (Bailey > Dale)
Chris finished before Emery (Chris > Emery)
From (1) and (3):
Dale > Alex > Chris
Adding (7):
Dale > Alex > Chris > Emery
Adding (6):
Bailey > Dale > Alex > Chris > Emery
Which is the final placing for all the players, and can be double-checked with the remaining clues.
Puzzle 23
From each of these words remove one letter, and then rearrange the remaining letters to find a new word. The resulting ten new words are related to each other.
ENERGY
OREGANO
CLEAREST
WEIGHT
OUTLIVE
EMBARK
CALMER
SOLEMN
VOIDING
ARCHERY
Puzzle Copyright © Kevin Stone
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Hint
You can remove the Y from ENERGY and rearrange.
Answer
ENERGY - Y = GREEN
OREGANO - O = ORANGE
CLEAREST - E = SCARLET
WEIGHT - G = WHITE
OUTLIVE - U = VIOLET
EMBARK - K = AMBER
CALMER - L = CREAM
SOLEMN - S = LEMON
VOIDING - V = INDIGO
ARCHERY - A = CHERRY
Puzzle 24
Can you find the number that best completes this puzzle?
Puzzle Copyright © Kevin Stone
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Hint
The answer involves a square root.
Answer
4.
The middle of each triangle contains the square root of the sum of the three surrounding numbers.
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