Find Out How Smart You Really Are With Our 'Genius Quiz'

Do you consider yourself smart? A genius perhaps? Well it's time to prove it! I stumbled across the quiz of 12 questions and thought it would be fun to put you all to the test. Some of the questions are a little tricky, so make sure to take your time and read them all the way through! I'll list the questions first, and the answer key will be at the bottom of the page. NO CHEATING! Good luck and make sure and post your scores in our comments section!

Do they have a 4th of July in England?
How many birthdays does the average man have?
Some months have 31 days. How many have 28?
How many outs are there in an inning?
Is it legal for a man in California to marry his widow's sister?
What's the answer when you divide 30 by 1/2 and add 10?
If there are three apples and you take away 2, how many do you have?
If a doctor gives you 3 pills, telling you to take one every half hour, how many minutes will the pills last?
A farmer has 17 sheep and all but 9 die. How many are left?
How many animals of each sex did Moses take on the ark?
A clerk in the butcher shop is 5'10" tall. What does he weigh?
How many two cents stamps are there in a dozen?