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arindameducationusc
 one year ago
Permutation part 2 (Tutorial)
More examples! Awesome!
arindameducationusc
 one year ago
Permutation part 2 (Tutorial) More examples! Awesome!

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arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.6\(\Huge\color{red}{Permutation~part~2} \) anybody who could not follow part 1 can click the link below. http://openstudy.com/study#/updates/55d9654be4b0a0d51270edbf

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.6\(\Large\color{red}{Q} \) How many even numbers are there with 3 digits such that if 5 is the one digit then seven is the next digit. \(\Large\color{blue}{Ans} \) Even numbers are 0,1,2,4,6,8 Case 1) dw:1440995300524:dw

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.6Case 2=> dw:1440995388838:dw This is a case where we calculate the even numbers when 5 is not in hundredth place. We have to consider this also1 so,8*9*5=360 so, total=case1+case2 5+360=365

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.6\(\Large\color{red}{Q} \) How many 4 digit number divisible by four can be made with the digits 1,2,3,4,5 if repetition of the digits is not allowed.

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.6\(\Large\color{blue}{Ans} \) dw:1440998584419:dw

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.6in the above 1 and 2 are fixed and in the below 3 and 2 are fixed dw:1440998804949:dw

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.6below 2 and 4 are fixed dw:1440998874944:dw