W3HTech - Math Problems Generator

1. Find the number of combinations from $18$ objects picked $3$ at a time.

2. Find the number of combinations from $12$ objects picked $4$ at a time.

3. Find the number of combinations from $10$ objects picked $1$ at a time.

4. Find the number of combinations from $15$ objects picked $8$ at a time.

5. Find the number of combinations from $11$ objects picked $9$ at a time.

1. $816$

2. $495$

3. $10$

4. $6435$

5. $55$