Monday, March 29, 2010

Tickle Your Grey Matter

Try to tickle your grey matter.
Note: This must be done in your head only .
Do NOT use paper and pencil or a calculator. Try it..

Take 1000 and add 40 to it. Now add another 1000 . Now add 30.
Add another 1000 . Now add 20 . Now add another 1000 Now add 10 .
What is the total?









Did you get 5000 ?
The correct answer is actually 4100.

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