You live alone and you are sleeping in your bedroom

You stay alone and you are sleeping in your bedroom, your parents ring your doorbell as they have come to have breakfast with you, you have bread, milk, honey, jam, cornflakes at your house. What will you open first? Check the answer here.

30 cows and 28 chickens

There are 30 cows in a field, and 28 chickens. How many didn’t? Check the answer here.