6 boys and 6 girls sit in row at random. the probability that all the girls sit together is a. `1/(432)` b. `(12)/(431)` c. `1/(132)` d. none of these

6 boys and 6 girls sit in a row at random. Find the probability that all the girls sit together.

6 boys and 6 girls sit in a row at random. Find the probability that all the girls sit together.

5 boys and 5 girls sit in a row randomly. Find the probability that all the boys sit together.

Five boys and four girls sit in a row randomly. The probability that no two girls sit together

Six boys and six girls sit in a row randomly. The probability that all girls sit together is a. 1/122 b. 1/112 c. 1/102 d. 1/132

5 boys and 5 girls are siting in a row randomly . The probability that boys and girls sit alternately , is

Six boys and six girls sit in a row randomly. The probability that the six girls sit together is (i) 17/132 (ii) 15/132 (iii) 131/132 (iv) 1/132

If there are 6 girls and 5 boys who sit in a row, then the probability that no two boys sit together is

Six boys and six girls sit in a row randomly. Find the probability that (i) the six girls sit together, (ii) the boys and girls sit alternately.

Suppose n ( >=3) persons are sitting in a row. Two of them are selected at random. The probability that they are not together is (A) 1- 2/n (B) 2/(n-1) (C) 1- 1/n (D) nonoe of these