This is really a funny maths trick.Just a simple calculation but 99% you cant say the correct answer.You should not use calculator,you have to do with your brain.If you are genius try this:
>>Take 1000 and add 40 to it.Now again add 1000 to it and add 30 to it.Now again add 1000 to it and add 20 to it.now again add 1000 to it and add 10 to it.Now say what's the answer.Is it 5100 then you are wrong..the answer is 4100.Try it on calculator now.
trick2
This is 7-11-13 trick! This trick makes you look like your brain is a mega fast calculator! 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 acalculator, you will have written down the answer ages ago! It's fiendish! 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! You work this calculator by clicking the mouse on the buttons. Go on, put in ANY three digit number then x7 x11 x 13 and see what you get!
trick3
The 3367 trick: This trick is similar to the 7-11-13 trick. It's harderto do, but it looks far more miraculous! Get a friend to pick any 2 digit number e.g. 74 x 3367 To work out the final answer you have to imagine the original number written out three times e.g. 747474 then divide it by three. 249158 This one takes practice, but unlike the others, it's very hard to see how it's done!
trick4
The MISSING DIGIT trick! Here it is! Go and hide in a cupboard, or cover your eyes in someway so that you can't see what your friend is writing. Ask a friend to secretly write down ANY number (at least four digits long). e.g. 78341 Ask the friend to add up the digits... e.g. 7 8 3 4 1 = 23 ... and then subtract the answer from the first number. e.g. 78341 - 23= 78318 Your friend thencrosses out ONE digit from the answer. (It can be any digit except a zero) e.g. 7x318 Your friend then reads out what digits are left .e.g. 7-3-1-8 Even though youhaven't seen any numbers, you can say what the missing digit is! EIGHT SECRET: This great trick relies onthe power of 9. After your friend has added up the digits and subtracted them, the answer will ALWAYS divide by 9. If a number divides by nine, then when you add the digitsup, they will also divide by 9. If you check our example 7 8 3 1 8 = 27 which does divide by nine. When your friend crosses a digit out, he then reads out the digits that are left. You add them up. In the example we had 7 3 1 8 = 19 All you do now is see what you have to add on to your answer to get the next number that divides by nine! The next number to divide by 9 after 19 is27. So you need to add on EIGHT. This is the number that was crossed out!
trick5
. Birthday Trick 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! 1. Add18 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 12. 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, you followed the directions incorrectlyor lied about your birthday.
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