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Eiffel tower - science puzzle
| The Eiffel tower in Paris has including the tv antenna an height of 321 meter. It is made out of 7 million kg steel. Somebody would like to build a scale model of this tower with a weight of 1 kg. How tall will this scale model be? |
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The fishing fathers - logic puzzle
| Two fathers and two of their suns are going to fish. In total they catch three fishes. All of them take one complete fish at home. How is this possible? |
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Also having birthday today? - math puzzle
| Out of how many people should a group at least consist in order to have that the probability that two persons out of that group are having birthday on the same day, is larger than 1/2? |
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