I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

What is the next number in this series?

4,12,84,3612....

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Next Number in the Series,

5, 16, 49, 104, ?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

What has many keys but can’t open a single lock?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?