What occurs twice in a week, once in a year but never in a day?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

What is the next number?

77, 49, 36, 18 ?

Which is the correct shadow of the bird?

What has 13 hearts but no other organs?

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?

The more you take me, the more you leave me behind.
Who Am I?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What is harder to catch the faster you run?

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?