Good Riddles

Question: Ive said 'I am 11 years old' however, I'm 21 years old. How is that possible?

Question: There's a place in the world where the wind blows south then suddenly north.

Where is it?

Question: A father and his son are in a car accident and the father dies on the scene, so the father is out of the picture. The son is brought to the hospital and when he arrives, the surgeon said, "I can`t operate on my own son!" Who is the surgeon?

Question: Suppose you had to pick 1 of 3 doors to go through. One has ninja assassins, one has a lion that hasn't eaten in 3 months, and one has a flaming inferno. Which door should you choose in order to live?

Question: 1. A bat and a ball cast $1.10 cents in total. The bat costs one dollar more than the ball. How much does the ball cost? 2. If five machines made five gadgets in five minutes, how much time would it take for 100 machines to make 100 gadgets? 3. The was a lake, it was full with lily pads, each day the lily pads doubled in size, it took 48 days for the lily pads to cover all of the lake how long would it take for the lily pads to cover half of the lake?