Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

How can one talk without saying a single word?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

What is both possible and impossible at the same time?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?