As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

What is so fragile that saying its name breaks it?

Can you name four days which start with the letter 'T'?

Solve the maths equation in the picture below by placing the numbers 1 through 9 into the boxes so that all the 3 equations are correct.

Why despite killing dozens of people Charley and Wilma were not punished?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?