Question

There are 5 different Jeffrey Archer books, 3 different
Sidney Sheldon books and 6 different John Grisham
books. The number of ways in which at least one
book can be given away is
(a) 2^10 – 1
(b) 2^11 – 1
(C) 2^12 – 1
(d) 2^14 – 1​

Answer 1

Answer:

d)

Step-by-step explanation:

Of total of 14 books you can either give a book or keep it. You have 2 options for each book. But you remove one option, that is when ALL books are kept. Hence d)