Puzzle 233
Bank Robbery #1 - Logic Puzzles
After a local bank robbery, five suspects were interviewed.
Below is a summary of their statements.
Police know that each of them told the truth in one of the statements and lied in the other.
From this information, can you work out who committed the crime?
Billie said:
It wasn't Chris
It was Alex
Drew said:
It was Chris
It wasn't Alex
Chris said:
It was Billie
It wasn't Emery
Alex said:
It was Emery
It wasn't Billie
Emery said:
It was Drew
It was Alex
Puzzle Copyright © Kevin Stone
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Puzzle 234
Alex and Billie have to empty all of the bookshelves in the library, and move the books into storage.
Alex, on her own, can empty the bookshelves in 18 hours.
Billie, on her own, can also empty the bookshelves in 18 hours.
Unfortunately, Drew likes to move the books from storage back onto the bookshelves, and she can refill the bookshelves in 36 hours.
How long will it take the three of them, working at the same time, to empty the bookshelves?
Puzzle Copyright © Kevin Stone
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Puzzle 235
Imagine a bottle recycling skip, empty other than one lonely bottle.
Every hour, on the hour, people come and put bottles into the skip.
The first hour, at noon, one person came and put a bottle in.
One hour later, two people each placed a bottle into the skip.
An hour later, four people each placed a bottle into the skip.
This doubling of people continued until 11pm, when the skip was finally full.
When was the skip exactly half full?
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Puzzle 236
Stacey's Cinema Outing - Logic Puzzles
Just last week, Stacey's nieces and nephews met up to go to the cinema to see the latest blockbuster.
From the clues below, can you determine the order in which they stood in the ticket queue?
Sam was in front of Sarah. Stuart was behind Sandra, and Sally. Sally was in front of Sharon, and Steve. Sabrina was behind Stuart, Simon, and Steve. Steve was in front of Sabrina, Simon, and Shane. Shane was behind Simon, Sharon, and Sabrina. Sandra was in front of Sarah. Simon was in front of Sam, Stuart, and Sandra. Sarah was in front of Sharon. Sabrina was in front of Sam, and Shane. Sarah was behind Sandra, Sally, and Sabrina. Stuart was in front of Sarah. Simon was behind Sally.
Puzzle Copyright © Kevin Stone
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