What is both possible and impossible at the same time?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

What does a man do only once in his lifetime, but women do once a year after they are 29?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

Spot 5 differences in two Christmas tree below: