Tricks and Teasers

Minds and Maths Trick

Crazy dates year 1/1/11,1/11/11, 11/1/11 and 11/11/11. Now figure this, the last 2 digits the year you were born + the age you will be this year will equal 111

                             

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This is a mind trick. Think of a number. Double that number. Add eight. Minus half that number. Minus the number you started with. Is the answer 4? I bet it is.

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This math trick will determine your birthday. Just follow the steps with a calculator and press equal after each step. Go ahead and try the trick without cheating! For a simple, online JavaScript calculator, click on the calculator button.

(Calculator : Open in a new window) http://dericky.tripod.com/calclate.htm 

1. Add 18 to your birth month
2. Multiply by 25
3. Subtract 333
4. Multiply by 8
5. Subtract 554
6. Divide by 2
7. Add your birth date
8. Multiply by 5
9. Add 692
10. Multiply by 20
11. Add only the last two digits of your birth year

Subtract 32940 to get your birthday!

The answer's format is: month/day/year. For example, an answer of 123199 means that you were born on December 31, 1999. If the answer is not right, please select one of the following:
a) You followed the directions incorrectly
b) You lied about your birthday or don't know your birthday
c) All of the above

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Ask a friend to write down ANY three digit number such as 231 or 884. Ask them to multiply the number by

x 7
x 11
x 13

...but even if your friend has used a calculator, you will have written down the answer ages ago!

THE SECRET: all you do is write out the starting number twice! So 231 will become 231231 and 884 will become 884884. You don't believe it? Well try it on this calculator and see for yourself! Go on, put in ANY three digit number then x7 x11 x 13 and see what you get!

Thanks so much for trying.