Simple or very Tricky Maths!


Note: This MUST be done in your head only.
Do NOT use paper and pencil or a calculator.
You CAN Do It If You Really Try.

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?


Slow as a snail again....