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

In which direction should the missing arrow point?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

What four weights can be used to balance from 1 to 30 pounds?

What is more useful when it is broken?

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

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

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

What does it mean?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?