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.
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What is the total? Scroll down for answer..
Is this weird, or what? Did you get 5000? The correct answer is actually 4100. Try it on your calculator now. . .
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