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

Different lights make me strange by changing me into different sizes. What am I?

When it's bad luck to meet a black cat?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

A father's child, a mother's child, yet no one's son.

Who am I?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

One day, all the courtiers from Akbar's court were gathered in the assembly hall when one of them told the Emperor that all his valuables had been stolen by a thief the previous night.
This shocked the Emperor to his core as the place where that courter stayed was the most secured in the kingdom. The Emperor thought that it is not at all possible for an outsider to enter into the courtier's house and steal the valuables. Only another courtier could commit this crime. He quickly called Birbal to identify the thief.
Birbal thought for a while and successfully solved the mystery by identifying the thief in just one statement.
What did Birbal say?

Count the number of lines in the image below ?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?