Question

In a library , 4/5 are literature books , 3/5 are mathematics books and rest are science books. If the number of science books is 39. Find the number of literature books and mathematics books in library .

Answer 1

maths books in library are 4/5
literaturebooks in library are3/5
science book in library are39
total numbers of books is equal to 3/5+4/5+39
=40.4
numbers of maths books is equal to 4/5×40.4=
32.32
numbers of literature book are =3/5×40.4
=24.24