Question

The number of ways in which six boys and six girls
can be seated in a row for a photograph so that no
two girls sit together is
(1) (6!)2 (2) 6! * 7P6 (3) 2(6!)
(4) 6! x 7 (5) None of these​

Answer 1

Answer:

6!x7

Step-by-step explanation:

We can initially arrange the six boys in 6! ways.

Having done this, now three are seven places and six girls to be arranged. This can be done in ⁷P₆ ways.

Hence required number of ways = 6! x ⁷