In how many different number of ways 4 boys and 2 girls can sit on a bench such that girls always sit together. Choose the correct choice from the following answers.
A) A)720  B) B)240  C) C)740  D) D)780  E) E)790
240   Option '240'
<result>B</result>
In how many different number of ways 4 boys and 2 girls can sit on a bench such that girls always sit together.