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### বিয়ে

Posted: Tue Apr 11, 2017 4:21 pm
You are given a \$10\$*\$10\$ grid with the property that in every row, exactly three squares are shaded, and in every column, exactly 3 squares are shaded. Prove that you can select 10 if these shaded squares so that each of them are in different rows and columns.

### Re: বিয়ে

Posted: Thu Feb 15, 2018 1:38 pm
Are you proud of your knowledge regarding Hall's Marriage Lemma?:p

### Re: বিয়ে

Posted: Thu Feb 15, 2018 9:04 pm
Partial Solution
I don't know how to use Hall's Marriage Lemma and I can't prove this completely. Please,any one help to solve this.

### Re: বিয়ে

Posted: Sat Feb 17, 2018 1:41 am
SN.Pushpita wrote:
Thu Feb 15, 2018 1:38 pm
Are you proud of your knowledge regarding Hall's Marriage Lemma?:p
Yes, yes I am proud of my knowledge of marriage procedures.

### Re: বিয়ে

Posted: Mon Feb 19, 2018 12:45 pm
Sat Feb 17, 2018 1:41 am
SN.Pushpita wrote:
Thu Feb 15, 2018 1:38 pm
Are you proud of your knowledge regarding Hall's Marriage Lemma?:p
Yes, yes I am proud of my knowledge of marriage procedures.
Dude, it isn't mathoscope

### Re: বিয়ে

Posted: Tue Feb 20, 2018 7:13 am
SN.Pushpita wrote:
Mon Feb 19, 2018 12:45 pm
Dude, it isn't mathoscope
But I'm still the same guy.

### Re: বিয়ে

Posted: Sun Mar 10, 2019 3:49 pm
SN.Pushpita wrote:
Mon Feb 19, 2018 12:45 pm

Dude, it isn't mathoscope
What is mathoscope?