Question
Mathematics Question on sets
The number of subsets containing exactly 4 elements of the set {2, 4, 6, 8, 10, 12, 14, 16, 18) is equal to
A
126
B
63
C
189
D
58
E
94
Answer
126
Explanation
Solution
The correct option is (A) : 126
The number of subsets containing exactly 4 elements of the set {2, 4, 6, 8, 10, 12, 14, 16, 18) is equal to
126
63
189
58
94
126
The correct option is (A) : 126