The centre of the third figure is empty. What digit should fit inside?

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

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

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

You need to move three matchsticks to form three squares. Can you do it?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?