What begins with T, ends with T, and has T in it?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

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

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

What does below chemistry rebus means?

What can go up a chimney down, but can’t go down a chimney up?