IF YOU FLIP A COIN 4 TIMES IN A ROW AND GET TAILS EVERY TIME ND DOOR WHICH DOOR DOES HE OPEN FIRST R RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Mr. Box and Mr. Door had been in the navy together years ago. They had both been on a ship that had shipwrecked in the Pacific. A group of men had survived on a liferaft but didnt have any food. Mr. Door was a navy doctor. He suggested that he would amputate each of their left arms for food. There was, however, no other doctor available to amputate Mr. Doors arm. To make it fair, Mr. Door promised that when they were back home again, he would have his arm amputated also. Mr. Door had sent Mr. Box an arm in the mail. Mr. Box assumed it was Mr. Doors arm, but when Mr. Box visited Mr. Door and saw that he still had both of his arms, he became very angry that Mr. Door had not followed through on his side of the bargain and shot him. Did you answer this riddle correctly?
YES  NO  

A mushroom. Did you answer this riddle correctly?
YES  NO  

A monkey! Did you answer this riddle correctly?
YES  NO  

The no-bell prize! Did you answer this riddle correctly?
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A mushroom Did you answer this riddle correctly?
YES  NO  

A mushroom! Did you answer this riddle correctly?
YES  NO  

They were diving, wearing the old-fashioned diving suits that have a tube that goes to the surface. The were exploring a sunken submarine. When the man shut the door, it cut the air tube, and he died. Did you answer this riddle correctly?
YES  NO  

It is in a haunted house Did you answer this riddle correctly?
YES  NO  

The answer is to let your friend go first. This puzzle is based on an old game/scam called Penny Ante. No matter what you picked, your friend would be able to come up with a combination which would be more likely to beat yours. For example, if you were to choose HHH, then unless HHH was the first combination to come up you would eventually lose since as soon as a Tails came up, the combination THH would inevitably come up before HHH. The basic formula you can use for working out which combination you should choose is as follows. Simply take his combination (eg. HHT) take the last term in his combination, put it at the front (in this case making THH) and your combination will be more likely to come up first. Try it on your friends! Did you answer this riddle correctly?
YES  NO  

Play the piano till he finds the right key. Did you answer this riddle correctly?
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A keyboard Did you answer this riddle correctly?
YES  NO  

A baby bird in an egg. Did you answer this riddle correctly?
YES  NO  

Because if they had four doors, they'd be chicken sedans. Did you answer this riddle correctly?
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The door. You have to let them in for breakfast! Did you answer this riddle correctly?
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The answer may surprise you: switch. Due to something called the Monty Hall Paradox, you will statistically have a better chance of making the "correct" choice. The concept is as follows:

Door 1 Door 2 Door 3

All have an equal chance to be correct:

Door 1: 1/3 Door 2: 1/3 Door 3: 1/3

After choosing Door 1, the remaining two have a 2/3 chance of containing the right choice:

Door1: 1/3 Doors 2 3: 2/3

If Door 3 is removed, the probability does not shift to 50:50. Instead, it is:

Door 1: 1/3 Door 2: 2/3

Thus, you should switch. Did you answer this riddle correctly?
YES  NO