Changes
From Karnataka Open Educational Resources
1,140 bytes added
, 10:48, 14 November 2019
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− | [[File:Math_fun_image.png|400px]] | + | [http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#Phone_number_birthday_puzzle '''Phone number birthday puzzle'''] |
− | Arrange the cards such that each card is the difference between the
| + | {| class="wikitable" |
− | two cards immediately below it.
| + | |- |
| + | |[[File:phone-number-keypad.jpg|150px]] |
| + | | '''YOUR PHONE NUMBER WILL REVEAL YOUR AGE''' |
| + | |} |
| + | |
| + | Your Phone number will reveal your actual Age. It will take about 15 seconds,read and do it at the same time so that you will not lose the fun. |
| + | #Take a look at your last digit of your cell phone number |
| + | #Use this figure and multiply by 2 |
| + | #Then add 5 |
| + | #And then multiply by 50 |
| + | #And then add the number 1765 |
| + | #The last step; with this number, subtract your birth year. |
| + | |
| + | Now you see a three-digit number. The first digit is the last digit of your phone number, the next two digits are your actual age! You can use the attached [http://karnatakaeducation.org.in/KOER/en/images/1/17/Phone_number_birthday_puzzle.ods spreadsheet] to solve this and find out why it works!! |
| + | |
| + | [http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#Maths_Quizzes '''Maths Quizzes'''] |
| + | |
| + | [http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#The_origin_of_the_calendar '''The origin of the calendar'''] |
| + | |
| + | [http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_fun_corner#Magic_Square '''Magic Square'''] |