A landlord is threatening to evict a father and his beautiful young daughter, unless she agrees to marry him. In a false gesture of sincerity, he offers her an opportunity for her and her father to remain in the house, without marrying him. He has a silk bag in which he says he has placed a white and a black stone from the footpath on which they’re standing. If she picks the white stone from the bag, without looking, she wins; if she picks the black, she loses. However, the young girl saw him place two black stones in the bag. She can’t expose him in front of the witnesses without angering him and making things worse. How does the clever girl win?
Ans( drag and highlight using mouse):In this puzzle, there are no tricks - everything is pretty much as it seems. It calls for a novel solution. Well, perhaps it could be argued that the assumption that needs checking is the one about how the drawn stone is known… “By making to lose the picked stone onto ground so that its mixed with other stones in the ground. The remaining stone in bag makes her tat she has chosen the opposite stone.”