A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

Complete the table series riddle by finding the number that can replace "??".

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?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What is the end of everything?