I have branches, but no fruit, trunk or leaves. What am I?

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

Why is 6 afraid of 7?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

A blonde put eyeliner on her head. Why?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.