Find The Number Of Subsets Of The Set {1,2,3,4,5,6,7,8,9,10,11} Havin

1.	Find The Number Of Subsets Of The Set {1,2,3,4,5,6,7,8,9,10,11} Having 4 Elements?
Answer» Here the order of choosing the ELEMENTS doesn’t MATTER and this is a PROBLEM in COMBINATIONS. We have to find the number of ways of choosing 4 elements of this set which has 11 elements. This can be done in 11C4ways = 330 ways. Here the order of choosing the elements doesn’t matter and this is a problem in combinations. We have to find the number of ways of choosing 4 elements of this set which has 11 elements. This can be done in 11C4ways = 330 ways.

Find The Number Of Subsets Of The Set {1,2,3,4,5,6,7,8,9,10,11} Having 4 Elements?

Answer»

Here the order of choosing the ELEMENTS doesn’t MATTER and this is a PROBLEM in COMBINATIONS.

We have to find the number of ways of choosing 4 elements of this set which has 11 elements.

This can be done in 11C4ways = 330 ways.

Here the order of choosing the elements doesn’t matter and this is a problem in combinations.

We have to find the number of ways of choosing 4 elements of this set which has 11 elements.

This can be done in 11C4ways = 330 ways.