Question

A library shelf contains seven novels and five biographies.ln how many ways can a borrower choose two novels and three biographies.

Answer 1

Answer:

6c4*4

Step-by-step explanation:

Let the 5 novels be N1,N2,N3,N4 AND N5

now the five novels can be arranged in five! and there is /N1 / N2 / N3 / N4 / N5 / six gaps in which we can place the the biographies book a/q to Question this can be done in 6c4*4 !

now total number of ways =5*6c4*4 !

hope it helps you