Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

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?

Spot 5 differences in two Christmas tree below:

Can you find out who is the kidnapper in below Picture and why, Explain ?

Why Aeroplane windows are round?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

what does the below math rebus puzzle mean?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

How can you leave a room with two legs and return with six legs?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?