A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What does it mean?

What is the end of everything?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

What is the Surname of Barbie Doll?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

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?