Which is Odd One Out and why?

4377

3954

9862

8454

9831

A father's child, a mother's child, yet no one's son.

Who am I?

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

Can you count the number of squares in the figure below?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

What does this simple rebus mean?

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