Thursday, May 17, 2012

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Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator - or if it was raining that day - he goes back to his floor directly. Otherwise, he goes to the seventh floor and walks up three flights of stairs to his apartment. Can you explain why it is so? Q. Splitting the Bill Three people check into a hotel. They pay $30 to the manager and go to their room. The manager finds out that the room rate is $25 and gives $5 to the bellboy to return. On the way to the room the bellboy reasons that $5 would be difficult to share among three people so he pockets $2 and gives $1 to each person. Now each person paid $10 and got back $1. So they paid $9 each, totalling $27. The bellboy has $2, totalling $29. Where is the remaining dollar? Q. Hotel 13 people came into a hotel with 12 rooms and everybody wanted his own room. The bellboy solved this problem. He asked the thirteenth guest to wait a moment with the first guest in room number 1. So in the first room there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ... and the twelfth guest to room number 11. Then he returned to room number 1 and took the thirteenth guest to empty room number 12. So everybody has his own room? Q. Marine The Captain of a big ship was telling this interesting story: "Once I saw two marines standing on the opposite sides of the ship. One was looking to the west and the other one to the east. And they saw each other very well." How can be that possible? Q. Ship Ladder A ship anchored in a port has a ladder (beginning and ending with a tave), where the bottom tave touches water. Distance between taves is 20 cm and length of the ladder is 180 cm. Tide is raising water at the speed of 15 cm each hour. When will be the water on the third tave from above? Q. Calendar Quiz Two children were confused about what day of the week it was. The conversation took the following course. "When the day after tomorrow is yesterday," said Priscilla, then 'today' will be as far from Sunday as that day was which was 'today' when the day before yesterday was tomorrow!" What day of the week did this conversation take place? Q. An unlikely Twosome Two girls are born to the same mother, on the same day, at the same time, in the same year and yet they're not twins. How can this be? Q. Photograph I am looking at somebody's photo. Who is it I am looking at, if I don't have any brother or sister and father of that man on the photo is the son of my father? Q. One-Way Street A girl who was just learning to drive went down a one-way street in the wrong direction, but didn't break the law. How come? Q. Counting your war wounds A group of 100 soldiers suffered the following injuries in a battle: 70 soldiers lost an eye, 75 lost an ear, 85 lost a leg, and 80 lost an arm. What is the minimum number of soldiers who must have lost all 4? Q. The Barman There are 2 glasses. In one there is 10 cl of tonic and in the other 10 cl of Campari. Overspill 3 cl of tonic to the glass with Campari and after thorough mixing overspill 3 cl of the mixture back to the glass with tonic. Is it now more tonic in the glass of Campari or more Campari in the glass of tonic? Q. A Moment in Time What occurs once in every minute, twice in every moment, yet never in a thousand years? Q. Magnetic personality A man goes into a room in which the only metal objects are two iron rods. Only one of them is a magnet. How can he tell which one is the magnet? Q. The Old Castle A square medieval castle on a square island was under siege. All around the island, there was a 10 metre wide water moat. But the conquerors could make foot-bridges only 9.5 metres long. Nevertheless a wise man was able to figure out how to get over the water. What do you think was his advice? Q. Counting Amoeba Amoeba divide themselves every minute into two equal organisms. These, in turn also divide every minute and so on. The saucer in which we started observing this process was full at 12.00. When was it full to the half? Q. An Indian Prince An Indian Prince commands his two sons to race their camels to a distant city to see who will inherit his fortune. The winner will be the one whose camel is slower. The brothers, after wandering aimlessly for days, ask a safe for help. After hearing the advice they jump on the camels and race as fast as they can to the city. What did the sage tell them? Q. Philosopher's Clock A philosopher had a clock, which he had forgotten to wind up. He had no other clock, watch, radio, TV, phone or any other device telling the time. So when his clock stopped he went to a friend, stayed there the whole night and when he came home, he knew the right time. How could he know? Q. Three Masters of Logic No 1. (hats) The two losing masters wanted a riposte, and so the grand master showed 5 hats, two white and three black. Then he said: „I will turn off the light and put each of you a hat on a head and I hide the other hats. When I turn on the light you will have equal chances to win. Each of you will see the hats of the two others, however not his own. The first one saying the colour of his hat will win." Then before he could turn off the light, one of the masters (the same one again) guessed, what the colour of his hat will be. What hat should it have been and how did he know? Q. Three Masters of Logic No 2. (stamps) Eat this. The grand master takes a set of 8 stamps, 4 red and 4 green, known to the logicians, and loosely affixes two to the forehead of each logician so that each logician can see all the other stamps except those 2 in the moderator's pocket and the two on her own head. He asks them in turn if they know the colors of their own stamps: A: "No." B: "No." C: "No." A: "No." B: "Yes." What are the colors of her stamps, and what is the situation? Q. Head Bands Three white men were taken captive by a hostile Indian tribe. The chieftain was willing to let them go so he took them to a tepee, where there was no light. He put one head band on each head of them (he had 3 white and 2 red - so 2 head bands were not used). Then they went out in a queue so that each man saw the head-band of those standing in front of himself (the first one did not see any head band, the second one saw the first one's head band, and the third one saw the head bands of the two others). If somebody had said the colour of his head-band, they all would have been free. After a quiet while one of them said: „My head-band is ...". What colour was his head band? And how would you reason it? Cool stuff links

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