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4 Women & 6 men have to be seated in a row given that no two women can sit together. How many different arrangements are there.
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- aRRANGEMENT of 6 men is done in 6!ways.and it leaves 7 places as
_M_M_M_M_M_M_ , where4 womens can be arranged in 7p4 ways.
So arrangements are 6!*7P4. - 11 years agoHelpfull: Yes(61) No(3)
- 6!x7x6x5x4
- 11 years agoHelpfull: Yes(11) No(2)
- total no of arrangements = 10!
two women always sit together = 7!*4!
two women never sit together = 10! - (7!*4!) Ans - 11 years agoHelpfull: Yes(7) No(3)
- 6!*7C4*4!
first arrange all the mens.after their arrangement we will have 7 choice to arrange the women....choose 4 out of 4 then arrange them. - 11 years agoHelpfull: Yes(4) No(0)
- when 6 men are put in a row then there will be 7 gaps created.4 woman will have to be put in 7C4 ways.
- 11 years agoHelpfull: Yes(3) No(6)
- 6!*7P3= 6!*7*6*5*4
- 11 years agoHelpfull: Yes(3) No(1)
- 6 men can be arranged in 6! ways
_M_M_M_M_M_M_ now there is 7 empty spaces
4 places can be selected in 7c4 ways and further can be arranged in 4! ways
so final ans is 6!*7c4*4! - 11 years agoHelpfull: Yes(2) No(0)
- 7c4*4!*6!
4 out of 7 positions can be selected in 7c4 ways and 4 women can be arranged there in 4! ways and 6 men can be arranged in 6! ways - 11 years agoHelpfull: Yes(2) No(0)
- No of vacant spaces is 7 so 7C4 now women can also arrange them so 4! and men can also arrange them so 6!.
hence ans is 6!*4!*7C4 - 11 years agoHelpfull: Yes(2) No(0)
- 6!*7P4=6!*[7!/(7 - 4)!]=6!*7*6*5*4
- 11 years agoHelpfull: Yes(1) No(1)
- total-2 women seated together
10!-9!*2! - 11 years agoHelpfull: Yes(0) No(1)
- 6!*7p4 is ans.
- 11 years agoHelpfull: Yes(0) No(1)
- 6 men arranged in 6! ways and
in 7 gaps 4 women are arranged in 7x6x5x4 ways
so the answer is 6!x7x6x5x4 - 11 years agoHelpfull: Yes(0) No(1)
- 6 man seats by 6!
7 space
6!*7C4*4!=6!*7*6*5*4 - 11 years agoHelpfull: Yes(0) No(1)
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