An design manager has 10patterns of chairs & 7patterns of tables. In how many ways can he make a pair of table & chair?
Choose the correct option.
A) 70	B) 40	C) 80	D) 90	E) 100
He has has ten patterns of chairs and eight patterns of tables   Hence, 70 chair can be arranged in 10 ways and   70 table can be arranged in 7 ways   Hence one chair and one table can be arranged in 10 x 7 ways = 70 ways   70
<result>A</result>
An design manager has 10patterns of chairs & 7patterns of tables. In how many ways can he make a pair of table & chair?