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[ All India Navodaya Alumni Association (AINAA) ]

All India Navodaya Alumni Association (AINAA) :: View topic - Mathematics: The Queen of sciences
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Mathematics: The Queen of sciences
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sonu_maths
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PostPosted: Mon Nov 28, 2005 9:56 am    Post subject: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Reply with quote

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PostPosted: Tue Nov 29, 2005 12:25 am    Post subject: Reply with quote

Quote:
Congratulations for guessing the right answer!


i din't guess the answer, i googled it Very Happy , however now that we know the answer , we would like to know more about it. What it is actually and why it falls in this unique category. pls explain[/quote]
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PostPosted: Tue Nov 29, 2005 12:37 am    Post subject: Reply with quote

sonu_maths wrote:
Oh no! you missed this one also.

Read the question carefully. I have asked for a minimum number of weighings! and 7 is a bigger one!

try again

Jitender singh



ok so here is another trial

242 is divided into 81x 2 +80 , we weigh the two parts of 81, if these two are equal we take one of the balls out and make the lot of 80 ,81.

81 is 3^4 since amongst 3 coins , heaviest one can be found out in 1 iteration , therefore for 81 coins, it would be 4 iteration.

that makes it total 5 iterations.....have I hit the eye this time ???
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PostPosted: Tue Dec 20, 2005 10:30 pm    Post subject: Reply with quote

ok, so i tried solving this problem by dividing 1000 into 250x4 out of which we can take 2 heavier lots, each of 250 in 2 iteration...but i guess i am wrong as it leads to a total of 16 iteration (too many) Sad . if it is right anwer,i'll elaborate else, will give it another try...pls confirm.
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ankush_rana_981
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PostPosted: Tue Dec 27, 2005 2:47 pm    Post subject: Re: Mathematics: The Queen of sciences Reply with quote

sonu_maths wrote:
Hi all,

I am research student from Center for advance study in Mathematics, P.U. CHD, (and from JNV-PAPROLA,H.P.(4th batch)). I want to share the Mathematical ideas with Navodians. So if any one (From Navodya) is interested in playing Mathematics (at all levels !), can reply. For I want to tell you about the very first word Mathematics came from the Pythagorians (~680B.C.) and its meaning was "That which is learned"......


I am here to share the beauty of Mathematics with Navodians, provided you must be very young at heart (as for as Mathematics is concerned)!

With regards

Jitender Singh
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PostPosted: Tue Dec 27, 2005 2:49 pm    Post subject: Re: Mathematics: The Queen of sciences Reply with quote

sonu_maths wrote:
Hi all,

I am research student from Center for advance study in Mathematics, P.U. CHD, (and from JNV-PAPROLA,H.P.(4th batch)). I want to share the Mathematical ideas with Navodians. So if any one (From Navodya) is interested in playing Mathematics (at all levels !), can reply. For I want to tell you about the very first word Mathematics came from the Pythagorians (~680B.C.) and its meaning was "That which is learned"......


I am here to share the beauty of Mathematics with Navodians, provided you must be very young at heart (as for as Mathematics is concerned)!

With regards

Jitender Singh
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sonu_maths
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PostPosted: Fri Jan 13, 2006 12:07 pm    Post subject: Reply with quote

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Rewa
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PostPosted: Fri Jan 13, 2006 1:28 pm    Post subject: Here is the answer of ur question. Reply with quote

Hi Jitendra,

I think the shape of the horizontal surface of acetone is Hexagonal.
If i am wrong then sorry....

wid rgds,
Rewa.
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