You and your brother are traveling in a car without anyone else. On the way, you come across a dark remote forest with no mobile network connectivity, and there, unfortunately, the tire bursts. Thatâ€™s when you realize that you cannot go back as you are quite away from civilization but staying it isnâ€™t even safe.
Suprised to find an extra tire you decide to change the tire yourself. But while you were doing that, a monkey arrives and takes all the 4 screws associated with that particular tire. You have no extra screws. What will you do?
The Hilton Hotel reserves all its 101 rooms for travelers and each guest is assigned a room in advance. The first guest arrives but has forgotten his room number. The hotel clerk, who does not have access to the reservations book, randomly puts him in one of the rooms. As the rest of the guests arrive they are given their reserved room if available or if already taken, are given a random empty room. What is the chance that the 101st guest gets her reserved room?
Mary baked a rectangular cake. Merlin secretly carved out a small
rectangular piece, ate it and vanished! The remaining cake has to be
split evenly between Mary's two kids. How could this be done with only
one cut through the cake?
Two boys want to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross the river using the boat. How they manage to cross?
Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook. To his surprise, Jack got nine different answers. How many hands did Jack's wife shake?