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

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

By using 'because' continuously three times, can you make an English statement ?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What does this mean?

CCCCCCC

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

What number should come in place of the question mark below?

What is so fragile that saying its name breaks it?