An design manager has 10patterns of chairs & 5patterns of tables. In how many ways can he make a pair of table & chair?\nOptions:\n(A) 20\n(B) 40\n(C) 50\n(D) 90\n(E) 100 OK. Let's think. Some random thoughts first:
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 5 ways\nHence one chair and one table can be arranged in 10 x 5 ways = 50 ways The answer: (C).
Assistant