In how many distinct ways can 3 ladies and 3 gentlemen be seated at a round table, so that exactly any two ladies sit together?
REF.Image.
select 2 ladies from 3 ladies = 3C2
= 3 ways
And they ladies can sit in 2 ways
Now considering 2 ladies as can
The remaining lady has only 2 seal left
she can occupy only 2 places.
There men can arrange themselves in 3!
so Total ways =2×3C2×2×6
=72 ways