Question

7 distinct things are to be divided in 3 groups, consisting of 2, 2 and 3 things respectively
number of ways this can be done is equal to?​

Answer 1

Answer:

7! = 5040

Step-by-step explanation:

Grouping items, would as below

As they are distinct items and If group by 2 2 3

7C2 * 5C2 * 3C3 * 2! * 2! * 3!

Effectively it comes out to be 7! = 5040

Taking the fact, If n items to be grouped to a b c groups

n!/(a! * b! * c!)