An design manager has 10patterns of chairs & 8patterns of tables. In how many ways can he make a pair of table & chair?\nOptions:\n(A) 20\n(B) 40\n(C) 80\n(D) 90\n(E) 100 Let's think first. Stream of consciousness:
User
He has has ten patterns of chairs and eight patterns of tables\nHence, A chair can be arranged in 10 ways and\nA table can be arranged in 8 ways\nHence one chair and one table can be arranged in 10 x 8 ways = 80 ways
So, the answer is (C).
Assistant