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

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

Which five letter word can be added at the end of below word to form a
valid word?

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In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

Can you count the number of triangles in the picture below?

What does below chemistry rebus means?