In how many different number of ways 3 boys and 3 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)730  C) C)740  D) D)154  E) E)144
144   Option '144'
<result>E</result>
In how many different number of ways 3 boys and 3 girls can sit on a bench such that girls always sit together.