Which alphabet letter is a question?

What occurs twice in a week, once in a year but never in a day?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What has no start, end, or centre?

What does this rebus means ?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

How many triangles are there in the picture below?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?