 
 <translate> Number of ways of selecting 2 fiction books = 5C2
Number of ways of selecting 2 non fiction books = 6C2
5C2 * 6C2 = 10 * 15 = 150 The answer: (C). <ibo> Ọnụ ọgụgụ nke ụzọ ịhọrọ akwụkwọ akụkọ 2 = 5C2 Ọnụ ọgụgụ nke ụzọ ịhọrọ akwụkwọ 2 na-abụghị akụkọ = 6C2 5C2 * 6C2 = 10 * 15 = 150 Azịza ya bụ: (C). 