To furnish a room in a model home an interior decorator is to select 3 chairs and 3 tables from the collection of chairs and tables in a warehouse that are all different from each other. If there are 6 chairs in the warehouse and if 80 different combinations are possible, how many tables are there in the warehouse? Choose the correct choice from the following answers:
A) A)4
B) B)8
C) C)10
D) D)15
E) E)30
Total number of ways to choose 3 chairs from 6= 6C3=20   Total number of combination=80   That means we need get 4 combinations from the selection of tables....   Screening through the answers.... 4C3=4..... 4*20=80   Answer is 6... 4
<result>A</result>
To furnish a room in a model home an interior decorator is to select 3 chairs and 3 tables from the collection of chairs and tables in a warehouse that are all different from each other. If there are 6 chairs in the warehouse and if 80 different combinations are possible, how many tables are there in the warehouse?