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

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

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 count the number of quadrilaterals in the picture below?

What begins with T, ends with T, and has T in it?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

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

Do you know what I am?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?