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Brain Teasers and Puzzles 



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Puzzle 505 



Which is larger, the number of seconds in a week...

...or the number of minutes in a year?

Puzzle Copyright © Kevin Stone

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Puzzle 506 



Find two words, which are anagrams of each other, which complete this sentence:

Due to a recent outbreak of a {?} infection in the zebra house, the local animal sanctuary had to {?} their electron microscope correctly, to ensure rapid detection.

Puzzle Copyright © Kevin Stone

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Puzzle 507 



On the charts I remain number one,
This position cannot be undone,
If I burn, you may get
Just a little bit wet.
In a zeppelin, I am no fun.

Puzzle Copyright © Alan Stillson
Website: www.stillsonworks.com

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Puzzle 508 



If 7 ingots of IRON weigh 112 tonnes, 4 ingots of COBALT weigh 104 tonnes and 3 ingots of GOLD weigh 54 tonnes.

How heavy are 5 ingots of TIN?

Puzzle Copyright © Kevin Stone

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