What has 13 hearts but no other organs?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

Which digit occurred maximum times between the number 1 and 1000?

Can it be possible to build a house that has all its four walls facing towards the South?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

A man dies of old age on his 25 birthday. How is this possible?

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?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

What does below Rebus say?

XLR8

Can you think of any three-dimensional shape that comprises of exactly two surfaces?