Question
Question: If there are 10 different pair of shoes in how many ways one can select '4' shoes such that there wi...
If there are 10 different pair of shoes in how many ways one can select '4' shoes such that there will be no pair among them.
A
80640
B
210
C
4845
D
None of these
Answer
80640
Explanation
Solution
20C1 × 18C1 × 16C1 × 14C1 = 20 × 18 × 16 × 14