1)There are 3 piles of books on the table you need to arrange them in the self such that 1st book of each pile gets placed on the self,what is the possible no of arrangements:a)12! b)12C3 * 9C4 c)12^12 d)none

The Question is not clear as you haven't mentioned the total number of books that are present .

taking total number of books as 12 by looking at the answers .

the answer has to be option (B) if that is the case or

the questions is simply unclear and may be wrong .

Please approve if you also think it is a wrong question.