Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

I have branches, but no fruit, trunk or leaves. What am I?

Which number should replace the question mark?

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

Find out the missing number in the picture attached: