There are two different Geography books, five different Natural Sciences books, three different History books and four different Mathematics books on a shelf. In how many different ways can they be arranged if all the books of the same subjects stand together?
A. 353450
B. 638364
C. 829440
D. 768700
Answer:C
There are two different Geography books, five different Natural Sciences books, three different History books and four different Mathematics books on a shelf. In how many different ways can they be arranged if all the books of the same subjects stand together?
A. 353450
 B. 638364
 C. 829440
 D. 768700
