Question 353234

Assume that 3 different books are single entity, 

and 4 english books are single entity.

these these 2 entity can be arranged by 2! ways.

further, 3 different math books can be arranged by 3! ways in its own group 
   
    and similarly 4 math books can be arranged by 4! ways. 


total no. of arrangement  = 2! * 3! * 4!
    
      = 2 * 6 * 24 

        = 288