What does the below rebus riddle means?

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?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

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

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

What is black when you buy it, red when you use it, and gray when you throw it away?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Through your logical capabilities, can you make 7 an even?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?