Thursday, December 3, 2009

Answers to "Not-so quick Brainteasers"

Highlight the space below to see them.

1. There are no sums at all in this simple lateral thinking puzzle! The drivers will step on their brakes when they see the other train coming, so they won't collide at all!

2. The sign says:

NO PHOTOGRAPHY
FINE: $900

3. 1 + 1/2 + 1/4 + 1/8 + 1/16 + 1/32 ... , if continued infinitely, approaches 2.

4. 2 hrs 8 mins = 128 mins, so the answer is 32 frogs (not 128!).

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