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in+how+many+ways+can+you+choose+3 small+squares+on+chess+board+so+that+none+of+them+are+in+same+row,+ column+or+diagonal+line+by+combinations+and+permutations in+how+many+ways+can+you+choose+3 small+squares+on+chess+board+so+that+none+of+them+are+in+same+row,+ column+or+diagonal+line+by+combinations+and+permutations
in+how+many+ways+can+you+choose+3 small+squares+on+chess+board+so+that+none+of+them+are+in+same+row,+ column+or+diagonal+line+by+combinations+and+permutations
Dear student, In a square board there are 8 rows and 8 columns, now use the basic property of P and C Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation. All the best. Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar.. Askiitians Expert Sagar Singh B.Tech, IIT Delhi
Dear student,
In a square board there are 8 rows and 8 columns, now use the basic property of P and C
Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation. All the best. Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar.. Askiitians Expert Sagar Singh B.Tech, IIT Delhi
Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.
All the best.
Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.
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Askiitians Expert
Sagar Singh
B.Tech, IIT Delhi
Total number of squares on a chessboard are 64 i.e 8*8 Number of ways we can choose 3 squares = 64C3 number of ways we can choose 3 squares so that they are in the same column is 8C3 * 8 * 3! =48 * 8C3 number of ways we can choose 3 squares in same row = 48 * 8C3 number of ways we can choose 3 squares in same diagonal = 8*8C3 so number of ways we can choose 3 squares so that they are not in the same row or column or diagnal is 64C3 - 48*8C3 - 48*8C3 - 8*8C3 please approve !
Total number of squares on a chessboard are 64 i.e 8*8
Number of ways we can choose 3 squares = 64C3
number of ways we can choose 3 squares so that they are in the same column is 8C3 * 8 * 3! =48 * 8C3
number of ways we can choose 3 squares in same row = 48 * 8C3
number of ways we can choose 3 squares in same diagonal = 8*8C3
so number of ways we can choose 3 squares so that they are not in the same row or column or diagnal is 64C3 - 48*8C3 - 48*8C3 - 8*8C3
please approve !
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