There are 20 red and 45 blue shirts. If a person wants to select 1 red shirt and 1 blue shirt, then in how many ways can he choose these 2 shirts?

Question

Options are:

A. 600

B. 900

C. 65

D. 1800

E. 1200

Answer 1

We can break up the question into how many ways can we choose 1 red shirt and how many ways can we choose 1 blue shirt. There are 20 options for the red shirt and 45 for the blue shirt. Since we want to choose both a red and a blue shirt, we multiply 20*45=900.