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| Home » Maths Tricks » Multiply Any Number By 11 . |
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| Maths Tricks of Multiply Any Number By 11 . |
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Multiply any number by 11 . |
Trick number 2 tells you how to multiply a two digit number by 11 but what if you have a number like 12345678 . Well that is very easy if you our trick as given below . Read it carefully.
Let the number be 12345678 __ thus 12345678 x 11
Write down the number as 012345678 ( Add a 0 in the beginning)
Now starting from the units digit write down the numbers after adding the number to the right
So the answer will be 135802458
This one is simple if you think over it properly all you got to do is to add the number on the right . If you are getting a carry over then add that to the number on the left. So I will tell you how I got the answer . Read carefully.
The number was 12345678 ___ I put a 0 before the number ____ so the new number 012345678
Now I wrote ___ 012345678
Then for the answer
8 + 0 = 8
7 + 8 = 15 (1 gets carry carried over)
6+1+7 = 14 ( 1 gets carried over)
5 + 1 + 6 = 12 ( 1 gets carried over)
4 + 1 + 5 = 10 ( 1 gets carried over)
3 + 1 + 4 = 8
2 + 3 = 5
1 + 2 = 3
0 + 1 = 1
Thus the answer = 135802458
Now I hope you have understood the trick if you want more help please contact me by e-mail using the contact form given below. Please don't fail to mention your e-mail address as it is essential to contact back.
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