Can you circle exactly four of these numbers such that the total is twelve?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.
Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?
Riddle Answer12 apples hanging high, 12 men passing by. Each took an apple and left eleven hanging there.
How can this be?
Riddle AnswerA bathtub is full of water. If you have a teaspoon, a teacup and a bucket, what’s the easiest way to empty the bathtub?
Riddle Answer