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Brain Teasers and Puzzles 



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Puzzle 621 



During a recent BrainBashers race meeting, the fastest driver managed to complete a lap with an average speed of 150 mph.

They managed to complete the first two fifths of the lap at a speed of 123 mph and the second two fifths of the lap at a speed of 164 mph.

At what speed was the final one fifth of the lap length covered?

Puzzle Copyright © Kevin Stone

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Puzzle 622 



If I was in Florida and dropped a heavy ball into a bucket of water which was at a temperature of 45 °F and dropped another identical ball into an identical bucket of water at a temperature of 25 °F...

...which ball would hit the bottom of the bucket first?

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Puzzle 623 



Here are some less well known proverbs. What is the missing word in each?
Loyalty is worth more than {?}.
He that cannot pay in {?} must pay in person.
Shameful {?} is worse than shameful eating.
Don't say {?} until you are asked.
Payment in advance is {?} payment.

Puzzle Copyright © Kevin Stone

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Puzzle 624 



My first is in mammoth but not in elephant.
My second is in racoon but not in beaver.
My third is in dobbin but not in horse.
My fourth is in koala and in kangaroo.
My fifth is in tiger but not in lion.
My last is in pony but not in horse.
What am I?

Puzzle Copyright © Kevin Stone

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