Tease Your Brain
En Español (Spanish Version)

Give your brain a workout with these brainteasers. Scroll down for the answers...

What Is Represented by These Word Puzzles?
For example, HEAD/HEELS = head over heels

1 – PPOD





Try These Number Puzzles:
6 – If 6 monkeys take 6 minutes to eat 6 bananas, how many minutes would it take 2 monkeys to eat 2 bananas?

7 – What 3 consecutive numbers sum to 9000?

8 – Cassie does not like to say her age. When someone asks, her mother answers for her. Cassie's mother says, "I'm seven times as old as Cassie now. In 20 years, Cassie will be half the age that I will be then." How old is Cassie now?

9 – Make this equation correct without changing the numbers: 8 + 8 = 91

Think a Little Harder...
10 – In your cellar, there are three light switches in the ‘off' position. Each switch controls one of three light bulbs on the floor above it. You may move any one of the switches but you may only go upstairs to inspect the bulbs once. How can you determine the switch for each bulb with only one inspection?

Looking for More?
Think of these sites as virtual gyms for your mind:

Brain Teasers and Math Puzzles http://www.syvum.com/teasers

Bill's Games–Brain Teasers http://www.billsgames.com/brain-teasers

For kids:

Brainteasers, Puzzles, & Riddles http://www.niehs.nih.gov/kids/braint.htm

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