What work can one never finish?

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?

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

I’m orange, I wear a green hat and I sound like a parrot. What am I?

People make me, save me, change me, raise me. What am I?

Why is it very easy to weigh a fish?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

Replace the question mark with the correct number below.

What runs around the whole yard without moving?

What number when divided in half becomes zero?