Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

How many triangles are there on the puzzle below?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

What does below pictogram mean?

One fine day, an intellectual man came to the emperor's court with the aim of testing Birbal's wittiness. In order to do this, he challenged Birbal to answer his question and hence prove that he was as intelligent and witty as he was said to be.
He asked Birbal, Do you want me to ask one difficult question or a hundred easy ones?
Since both Akbar and Birbal had had a tough day and were eager to leave, Birbal hastily told the intellectual to ask him a single difficult question.
Intellectual: OK. Tell me what came first into the world, the egg or the chicken?
Of course, the chicken, Birbal replied with a smile.
This time with a note of victory in his voice, the intellectual asked Birbal, How will you demonstrate that?
What did Birbal say?

Why do you find that most of the buildings are deprived of the 13th floor?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Out of four images which one is the odd one out?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?