## BdMO National 2012: Primary 4

Zzzz
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### BdMO National 2012: Primary 4

Problem 4:
Write a number in a paper and hold the paper upside down. If what you get is exactly same as the number before rotation then that number is called beautiful. Example: $986$ is a beautiful number. Find out the largest $5$ digit beautiful number.
Every logical solution to a problem has its own beauty.

nafistiham
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### Re: BdMO National 2012: Primary 4

$\sum_{k=0}^{n-1}e^{\frac{2 \pi i k}{n}}=0$
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.

jkisor
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Joined: Fri Jun 29, 2012 12:31 pm

### Re: BdMO National 2012: Primary 4

May be: 99866

famim2011
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Joined: Mon Dec 03, 2012 8:22 pm

### Re: BdMO National 2012: Primary 4

Vhaia,eta 98886 hobe naki ?ami try korsi amar kache thik lagtase.

sowmitra
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### Re: BdMO National 2012: Primary 4

@famim2011: $98886$ is also a beautiful, but, it's not the largest. $99866$ is the largest.
"Rhythm is mathematics of the sub-conscious."
Some-Angle Related Problems;

famim2011
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Joined: Mon Dec 03, 2012 8:22 pm

### Re: BdMO National 2012: Primary 4

Thanks,soumitra.Ami eta somadhan korsi.ami shudu jante cheye chilam je 98886 beautiful naki.

Md. Shahzaman Parvej
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### Re: BdMO National 2012: Primary 4

thanks to all, yes it is......................99866

atiab jobayer
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### Re: BdMO National 2012: Primary 4

sowmitra wrote:@famim2011: $98886$ is also a beautiful, but, it's not the largest. $99866$ is the largest.
Yes,you are right
math champion

prantick
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