Is it better to write a letter to Santa on an empty stomach or a full stomach?
Hint: This is a trick question.
Answer: It is better to write it on paper!
You are running in a street marathon and you overtake the person in second place.
What position are you now in?
Hint: Be careful!
If you think that you are now in first place, then think again!
If you overtake the person in second place, you are now in second place yourself!
Can you place ten coins into 5 rows, with each row containing 4 coins...
...without placing any coin on top of another coin?
Hint: Try this with real coins.
Place the coins in the following arrangement:
I have a large money box, 10 inches square and 12 inches tall.
Roughly how many pennies can I place in my empty money box?
Hint: Do you have to work out the volume of the box?
Just one, after which it will no longer be empty!