When can we add 2 to 11 and get 1 as the correct answer?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

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?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

Count the squares in the matchstick puzzle below?