Lateral thinking

Think outside the box to solve these mind-bending riddles.

1 Family of four

At a family reunion, it was found that the following relationships existed between the people present: father, mother, son, daughter, uncle, aunt, brother, sister, cousin, nephew and niece. However, there were only four people there. How could that be?

2 Road to ruin?

A man pushing a car stopped outside a hotel. As soon as he got there, he knew he was bankrupt. Why?