There are 320 books and magazines altogether in a bookshop.There are three times as many books as magazines.How many books are there?

how many books were sold in 1989?

Statement : 1.All books are magazines. 2.Some books are novels. Conclusion: I. Some magazines are books. II. No magazine is a book. III. No novel is a magazine.

The ratio of story books and text books of preetam is 2:5 . If preetam has 4 story books, then find how many text books he has.

In how many ways 7 books can be arranged from 10 books?

How many books are there in Euclid's Elements ?

In the given figure, how many books are only fiction?

There are 5 books on Mathematics, 4 books on Physics and 3 books on Chemistry. In how many ways can these books be arranged in a shelf if books of same subject should.be together.