A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

How many sides does a circle have?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Who always enjoys poor health?

Why is 6 afraid of 7?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

The Little ant seems to be always confused. Do you know why?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?