-  111/(1+1+1)=37
 222/(2+2+2)=37
 333/(3+3+3)=37
 444/(4+4+4)=37
 555/(5+5+5)=37
 666/(6+6+6)=37
 777/(7+7+7)=37
 888/(8+8+8)=37
 999/(9+9+9)=37
- The Magic Number 1089:- Use your first piece of paper to write down the number "1089". After you write down the number, ball it up and place it on the floor.
- Use your first piece of paper to write down the number "1089". After you write down the number, ball it up and place it on the floor.
- Tell your friend to reverse the digits.For example, 742 is reversed to 247. Next, tell your friend to subtract the bigger number and the smaller number.
- Tell your friend to reverse the answer he just got. After that, your friend should add up the last two digits.
- Your friend should come up with a total of 1089. Ask your friend the answer he/she got. When he/she tells you the answer, grab the piece of paper that you had on the floor. Unball the piece of paper and show your friend.
- Your friend will be amazed!
 
 
 
 Examples: A. 753 - 357 = 396 B. 396 + 693 = 1089 A. 846 - 648 = 198 B. 198 + 891 = 1089 As you can see, the answer will always be 1089
- If you multiply the number 142,857 by anything between 1 and 6
 the answer contains the same digits.
 e.g. 142857 x 3 = 428571 and 142857 x 6 = 857142
 If you multiply the same figure by 7 the answer is 999,999.
 
Tuesday, March 1, 2011
NUMBER MAGIC
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please provide an space where some one can give the answer for your question of the week column.
ReplyDeleteQUESTION OF THE WEEK
ReplyDeleteWhat 5-digit number has the following features: If we put the numeral 1 at the beginning, we get a number three times smaller than if we put the numeral 1 at the end of the number?
ans:42857