Can you find out the remainder when 3^300 is divided by 5?

There is something which you can be arrested for attempting but not for successfully completing.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

How many words can a pen with half refill write?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

Do you know who was buried in John's tomb?

Can you divide the below-given shape into four equal and identical pieces?

During which month do people sleep the least?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside. The man said, "Oh! I am really sorry, I thought this was my room." He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man. What made her suspicious of that man? He might have been genuinely mistaken.

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?