Anuj Kalia: All about squares:

All about squares:

What is the number of squares that can be formed by joining points in a 10*20 square grid??

The figure shows a 6*4 grid and various possible squares in it.

10 comments:

guntashMarch 7, 2011 at 11:07 PM
1610??
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shaanMarch 8, 2011 at 12:12 AM
1530 ?
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AnonymousMarch 8, 2011 at 8:06 PM
is it 1670 ?
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guntashMarch 8, 2011 at 9:09 PM
3410??
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AnonymousMarch 8, 2011 at 9:24 PM
dnt know now getting 1410.
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AnujMarch 8, 2011 at 11:14 PM
guntash: well done.
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guntashMarch 8, 2011 at 11:18 PM
thanx bhaiya...messed up that summation part in first attempt...used scientific calculator in second attempt
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ShivankerMarch 8, 2011 at 11:30 PM
This comment has been removed by the author.
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ShivankerMarch 8, 2011 at 11:31 PM
nice one bhaiya.. :)
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ShivankerMarch 9, 2011 at 9:21 AM
so SSE 13 of P&C is wrong.. and we didn't realise that.. :D

thnx bhaiya..
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