2, 3, 5, 9, 17, _ What is the next number in the sequence?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

How is the moon similar to a dollar?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

What's a single-digit number with no value?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits