Birth day magic

Maths magic trick - Birth day date calculation

School children might be enjoying their summer vacations now as their examinations are completed. Here is a maths trick to play for calculating your birth day date. You can surprise your friends with this magic trick and enjoy the fun. Here is the trick.
  • Step 1: Add 18 to your birth month.
  • Step 2: Multiply by 25.
  • Step 3: Subtract 333.
  • Step 4: Multiply by 8.
  • step 5: Subtract 554.
  • step 6: Divide by 2.
  • step 7: Add your birth date.
  • step 8: Multiply by 5.
  • step 9: Add 692.
  • step 10: Multiply by 20.
  • step 11: Add only the last two digits of your birth year.
  • step 12: Subtract 32940 to get your birthday!.
Example: If the answer is 123199 means that you were born on December 31, 1999. If the answer is not right, you followed the directions incorrectly or lied about your birthday.