Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

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

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Who is that with a neck and no head, two arms and no hands? What is it?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

How do you go from 98 to 720 using just one letter?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

They are three errirs in this question. Can you find them?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

People put me on the table and cut me but do not eat me. What am I?