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 one year ago
If 7 smallest squares are chosen at random from a chessboard then the probability that they lie on diagonal, is ?
 one year ago
If 7 smallest squares are chosen at random from a chessboard then the probability that they lie on diagonal, is ?

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DLS
 one year ago
Best ResponseYou've already chosen the best response.1nahi,nahi ho sakta :O galat question hai :

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.1nvm. i think... i got it. http://www.allinterview.com/showanswers/8354.html

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.1But a better explanation would be even better..

DLS
 one year ago
Best ResponseYou've already chosen the best response.1There are total of 64 blocks on a chessboard. So 3 blocks can be chosen out of 64 in 64C3 ways. So the sample space is = 41664 There are 2 diagonal on chessboard each one having 8 blocks. Consider one of them. 3 blocks out of 8 blocks in diagonal can be chosen in 8C3 ways. But there are 2 such diagonals, hence favourables = 2 * 8C3 = 2 * 56 = 112 The require probability is = 112 / 41664 = 1 / 372 = 0.002688

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.07 chosen ki 3 chosen ?

DLS
 one year ago
Best ResponseYou've already chosen the best response.1merko samaj agaya shayad :/

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.0oh, 7 choslo hai..hmm mera to 18/C(64,7) aa raha hai :3

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.1umm. upar 20 hai.. 20/64C7..

DLS
 one year ago
Best ResponseYou've already chosen the best response.1merko samaj agaya 20 kyun hai :")

DLS
 one year ago
Best ResponseYou've already chosen the best response.1wait upload karta hooon drawing

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.0aa gaya 20 yo maine 1 diagnol miss kar diya tha

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.1abbe koi mereko btayega? :/

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.0dekho 8 sq. wale 2 diagnols hote hain 7 sq wale 4 diagnols hote hain hai na?

DLS
 one year ago
Best ResponseYou've already chosen the best response.13 tarah se le sakte hai 8c7 lelia aur 7c7 aur 7c7 se bhi

DLS
 one year ago
Best ResponseYou've already chosen the best response.1baaki green waaale nahi le sakte 7 nahi hai condition satisfy nahi karte

DLS
 one year ago
Best ResponseYou've already chosen the best response.1red waala aur 2 green waale hain acceptable case

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.1hmm.. 2(8c7+7c7+7c7) nhi krna chahiye? us figure me / vale diagonals hain.. \ vale diagonals?

DLS
 one year ago
Best ResponseYou've already chosen the best response.1mai sirf bracket ke andar ka part bata raha tha

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.0kaise kar lete ho @DLS how? :O

DLS
 one year ago
Best ResponseYou've already chosen the best response.1mai sirf ek side ka bata raha hoon

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.1ohho.. ok samajh gya. thank you.
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