Can you count the number of triangles in the given figure?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Find the missing letter in the last circle logically in the given below picture.

What is the last thing you take off before bed?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Which point will the car reach to go out?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

What does this simple rebus mean?