What is the combination of 8 objects taken 5 at a time?

What is the combination of 10 objects taken 2 at a time?

What is the combination of 5 objects taken 3 at a time?

What is the combination of 8 objects taken 3 at a time?

What is the permutation of 10 objects taken 3 at a time?

What is the combination of 10 objects taken 3 at a time?

What is the permutation of 8 objects taken 5 at a time?

What is the permutation of 5 objects taken 3 at a time?

What is the permutation of 10 objects taken 2 at a time?

What is the permutation of 8 objects taken 3 at a time?