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On this site you'll find lots of logic puzzles and riddles, puzzling riddles,
science puzzles and math puzzles and riddles.

Answers and detailed solutions are included.

Do you know other nice brain teasers, riddles or puzzles that should be on the site?
If that's the case, send a message to pzzls!

math puzzle

Apple

Eric has a perfect spherical shaped apple. With a cilindrically shaped drill bit he removes the core of the apple. A cilindrically shaped hole remains, the center of this hole is exactly at the center of the apple. Eric measures the length of the hole with a piece of rope. It turns out to be exactly 8 cm. What is the volume of the remaining apple?

mail puzzle

rating 2.5/5

answer - solution

puzzle top 10

1.	Einstein's riddle	logic puzzle	rating: 3.6/5


2.	Divisible from 1 to 9	math puzzle	rating: 3.6/5


3.	Lockers	math puzzle	rating: 3.6/5


4.	Lost your way	logic puzzle	rating: 3.5/5


5.	Find the way to freedom	logic puzzle	rating: 3.4/5


6.	The superstitious president	logic puzzle	rating: 3.4/5


7.	Planting trees	logic puzzle	rating: 3.3/5


8.	Straight line sum	math puzzle	rating: 3.3/5


9.	Dots and lines	logic puzzle	rating: 3.3/5


10.	Zoo	puzzling puzzle	rating: 3.3/5

Last changed 16-01-2010