There are 6 items in column A and 6 items in column B. A student is asked to match each item in column A with an item in column B. How many possible (correct or incorrect) answers are there to this question?
COLUMN A | COLUMNB |
ITEM1 | MATCH1 |
ITEM2 | MATCH2 |
ITEM3 | MATCH3 |
ITEM4 | MATCH4 |
ITEM5 | MATCH5 |
ITEM6 | MATCH6 |
As we can see that For Item2 there can be any of the match
So, For each item in column A there are 6 different options in column B since we don’t have to think about correct or incorrect matching.
So possible number of combinations possible to answer:
6 × 5 × 4 × 3 × 2 × 1=720