A simple math trick

[Guest nagsline]

Here is a math trick so unbelievable that it will stump you.

Personally I would like to know who came up with this.

It is pretty amazing.

1. Grab a calculator. (You won't be able to do this one in your head)

2. Key in the first six digits of your mobile number

3. Multiply by 80

4. Add 1

5. Multiply by 250

6. Add the last 4 digits of your phone number

7. Add the last 4 digits of your phone number again.

8. Subtract 250

9. Divide number by 2

10. Press is equal to

Source : http://forums.duckyvideos.com/yetanotherforum/default.aspx?g=posts&t=130

[smartypants]

[perk]

mana phone number ee vachidi

[rajanikanth05]

1. Grab a calculator. (You won't be able to do this one in your head)

2. Key in the first six digits of your mobile number

3. Multiply by 40

4. Add 1

5. Multiply by 500

6. Add the last 4 digits of your phone number

7. Add the last 4 digits of your phone number again.

8. Subtract 500

9. Divide number by 2

10. Press is equal to