Question
Mathematics Question on permutations and combinations
What is the value of 81P2-81C2?
A
6480
B
3240
C
2775
D
5040
Answer
3240
Explanation
Solution
The correct option is (B) : 3240
What is the value of 81P2-81C2?
6480
3240
2775
5040
3240
The correct option is (B) : 3240