Permutations
↻ RegeneratePermutations
Problems
1. Number of Permutations from $10$ objects picked $2$ at a time is:
2. Number of Permutations from $18$ objects picked $6$ at a time is:
3. Number of Permutations from $19$ objects picked $0$ at a time is:
4. Number of Permutations from $16$ objects picked $7$ at a time is:
5. Number of Permutations from $16$ objects picked $5$ at a time is:
Solutions
1. $90$
2. $13366080$
3. $1$
4. $57657600$
5. $524160$