Who is that with a neck and no head, two arms and no hands? What is it?

Find out the missing number in the picture attached:

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Can you find the thief by just looking at the picture below?

One day, all the courtiers from Akbar's court were gathered in the assembly hall when one of them told the Emperor that all his valuables had been stolen by a thief the previous night.
This shocked the Emperor to his core as the place where that courter stayed was the most secured in the kingdom. The Emperor thought that it is not at all possible for an outsider to enter into the courtier's house and steal the valuables. Only another courtier could commit this crime. He quickly called Birbal to identify the thief.
Birbal thought for a while and successfully solved the mystery by identifying the thief in just one statement.
What did Birbal say?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Considering the below equation:

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

Then, I + II + III = ?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

There are forty elephants and they have forty-fore heads. How can this be possible?