Seven person `P_1, P_2,........,P_7` initially seated at chairs chairs `C_1,C_2,.........,C_7` , respectively. They all left there chairs symultaneously for hand wash. Now in how many ways they can again take seats such that no onesits on his own seat and `P_!` sits on `C_2 and P_2` sits on `C_3 ?`

In how many ways can 4 boys and 3 girls be seated in a row of 7 chairs if boys and girls alternate ?

There persons enter a railway compartment.If there are 5 seats vacant in how many ways can they take these seats? 60 b.20 c.15 d.125

There are 6 students A,B,C,D,E,F. In how many ways can they be seated in a line so that C and D do not sit together?

There are 6 students A,B,C,D,E,F. In how many ways can they be seated in a line so that C and D do not sit together?

Five friends F_1, F_2, F_3, F_4, F_5, book five seats C_1, C_2, C_3,C_4, C_5 respectively of movie KABIL independer mber o(i.e. F, books C_1, F_2, books C_2 and so on). In how many different ways can they sit on these seats it no on the wants to sit on his booked seat, more over F_1, and F_2 want to sit adjacent to each other

Four persons A, B, C and D are to the seated at a circular table. In how many ways can they be seated ?

In how many ways can 8 persons be seated at a round table so that 2 particular persons sit together?

There persons enter a railway compartment. If there are 5 seats vacant in how many ways can they take these seats? 60 b. 20 c. 15 d. 125

There are 9 chairs in a room on which 6 persons are to be seated,out of which one is guest with one specific chair.In how many ways they can sit

There are "3" rows containing "2" seats " in each row.The number of ways in which "3" persons can be seated such that no row remains empty is "p" then (p)/(16) =