What has 13 hearts but no other organs?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

What makes this number unique: 8,549,176,320?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

What Does this text mean:

important=important

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?

I add 5 to 9 and get 2. The answer is correct, so what am I?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?