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

Can you start the fire using two pieces of wood?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

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

What does it mean?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

What type of tree can I carry in my hand?