Question

11- In

how many ways 3 mathematics books, 4 history books ,3
chemisidy books and a biology books can be arranged
on an Shelf so thet all books of the same subjects are
together!​

Answer 1

Answer: 20,736

Explanation:

Math and History and Chemistry and Biology and Subjects

3! x 4! x 3! x 1! x 4! = 20,736