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From Karnataka Open Educational Resources
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, 18:47, 27 July 2015
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| __FORCETOC__ | | __FORCETOC__ |
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| + | =[http://karnatakaeducation.org.in/KOER/en/index.php/Portal:Mathematics/Fun_corner#Phone_number_birthday_puzzle Phone number birthday puzzle]= |
| + | {|class="wikitable" |
| + | |- |
| + | |[[File:phone-number-keypad.jpg|150px]] |
| + | | '''YOUR PHONE NUMBER WILL REVEAL YOUR AGE''' |
| + | |} |
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| + | 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. |
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| + | 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!! |
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| =Maths Quizzes= | | =Maths Quizzes= |