In how many ways 9 people two of whom are Chakkar and Ghanchakkar can be arranged in such a way

case 0(no one between chakkar and ghanchakkar):8!*2!
case 1(one person):7!*2!
case 2(two person):6!*2!*2!
total=8!*2!+7!*2!+6!*2!*2! ans
10 years agoHelpfull: Yes(25) No(1)

THREE CASES WILL ARISE WHEN 2,1,0 PEOPLE WILL BE IN BETWEEN,
CASE WHEN 2 PEOPLE IS IN BETWEEN:- 6!*2!
CASE WHEN 1 PEOPLE IS IN BETWEEN:- 7!*2!
CASE WHEN 0 PEOPLE IS IN BETWEEN:- 8!*2!
SO, TOTAL = 6!*2!+7!*2!+8!*2!
10 years agoHelpfull: Yes(15) No(8)
there is case of 0,1,2
case 0:(9-2+1)!=8!
case 1:(9-3+1)!=7!
case 2:(9-4+1)!=6!
so total num of ways= (8!+7!+6!)=720*64= 46080
10 years agoHelpfull: Yes(6) No(6)
I THINK ITS
6!*2!*9C2+7!*2!*7+8!*2!=203040
10 years agoHelpfull: Yes(3) No(4)
(5!*2!*2!)+6!*2!
=1960
10 years agoHelpfull: Yes(2) No(6)
5!*2!*2!+6!*2!+7*2!=11640
10 years agoHelpfull: Yes(2) No(7)
5!*2!*2!+6!*2!+7!*2!=11760
10 years agoHelpfull: Yes(2) No(4)
!6*!2*!2+ !7*!2=30240
10 years agoHelpfull: Yes(2) No(3)
its 64 6c2+7c2+8c2
considering cases of two one and zero people between them
10 years agoHelpfull: Yes(1) No(3)
ans iz 11520
10 years agoHelpfull: Yes(1) No(3)
case 1)if there is no one between Chakkar and Ganchakkarthen these 2 form a group
10 years agoHelpfull: Yes(0) No(0)
2!*8!+7!*7p1*2!+6!6p2*2!
211680
10 years agoHelpfull: Yes(0) No(0)

In how many ways 9 people, two of whom are Chakkar and Ghanchakkar, can be arranged in such a way that 2 or fewer people in between Chakkar and Ghanchakkar?