14 different biology books and 8 different chemistry books lie on a shelf. In how many ways can a student pick 2 books of each type?
Choose the correct option:
A) 80
B) 160
C) 720
D) 1100
E) 2548
No. of ways of picking 2 biology books(from 14 books) = 14c2 = (14*13)/2= 
<gadget id="calculator">(14*13)/2</gadget>
<output>91</output>
91   No. of ways of picking 2 chemistry books(from 8 books)= 8c2 = (8*7)/2= 
<gadget id="calculator">(8*7)/2</gadget>
<output>28</output>
28   Total ways of picking 2 books of each type= 91*28= 
<gadget id="calculator">91*28</gadget>
<output>2_548</output>
2548   (Option 2548)
<result>E</result>
14 different biology books and 8 different chemistry books lie on a shelf. In how many ways can a student pick 2 books of each type?