Answer:
When is 1500 plus 20 and 1600 minus 40 the same thing?
A squiggly line tells you when you've done it wrong
What is filled with air and sometimes a gas, tied to a string and often seen on your birthday?
The Black Pearl was this type of criminal seafaring vessel
Can you think of a crime that is punishable if attempted but not punishable if actually committed?
I am a room that has a roof but no walls. What am I?