The number of books (a)/ in our library (b)/ is less ©/ No error (d)

There are 2100 story books in our local library. If 30% more story books are bought, what will be the total number of story books in the library now and also find out the additional numbers of story bought.

The following table represents the category wise count of books in four local libraries. The self help books in library GHL is how much less its fictional books

The number of ways of selecting 8 books from a library which has 9books each of Mathematics,Physics,Chemistry and English is:

The number of ways of selecting 8 books from a library which has 9 books each of Mathematics, Physics, Chemistry and English is: