Question

in how many ways can 3 novels and 4 mathematics books and 2 chemistry books be arranged on a book shelf if the novels must be together but the other books can be arranged in any order?​

Answer 1

15120

Explanation:

n=novels m=math books c=chemistry

since the novels must be together we can treat it as 1 object

that makes it 7 objects in total so it would be 7!*3=15120