Answer:
Doing this with your job can be risky but doing it with smoking is always a good idea
Once you know it exists, it no longer exists. What is it?
There are 7 birds in a tree. A hunter shoots one bird down. How many birds are left in the tree?
When is 1500 plus 20 and 1600 minus 40 the same thing?
What cannot talk but will always reply when spoken to?
The warmer I am the fresher I am.