24375 books are to be arranged equally in shelves, of 375 books are arranged in each shelf, how many shelves will be needed?

165

375

None of these

To find the number of shelves needed, divide the total number of books (24375) by the number of books that can be arranged in each shelf (375):

24375 ÷ 375 = 65

So, 65 shelves will be needed.