22 July 2008

#44 or Another Brain Teaser Tuesday or We Need More Rain

Yes, Thats Right.....It's time for another BRAIN TEASER TUESDAY ( insert echo here ) . First the Answers to last weeks Questions then....Maybe this weeks Questions.

  1. Pour the lentils into the innkeeper’s sack, bind it and turn inside out. Pour in the peas. Then unbind the sack a pour the lentils back to your sack.
  2. This is a nice nonsense. Each guest paid $9 because they gave $30 and they were given back $3. The manager got $25 and the difference ($2) has the bellboy. So it is nonsense to add the $2 to the $27, since the bellboy kept the $2.
  3. The two children were so befogged over the calendar that they had started on their way to school on Sunday morning!
  4. The man is a of short stature. He can't reach the upper elevator buttons, but he can ask people to push them for him. He can also push them with his umbrella.
  5. Clocks can measure time even when they do not show the right time. You just have to wind the clock up and...We have to suppose that the journey to the friend and back lasts exactly the same time and the friend has a clock (showing the correct time) - it would be too easy if mentioned in the riddle.Now there is no problem to figure out the solution, is there?

Now, This Weeks Questions ( since you've ll been good )

  1. "How can you throw a ball as hard as you can and have it come back to you, even if it doesn't hit anything, there is nothing attached to it, and no one else catches or throws it?"
  2. "Imagine you are in a room with 3 switches. In an adjacent room there are 3 bulbs (Edit: let's say in lamps which are on a regular table) - all are off at the moment, each switch belongs to one bulb. It is impossible to see from one room to another. How can you find out which switch belongs to which bulb, if you may enter the room with the bulbs only once?" Edit: No help from anybody else is allowed. Edit: Find out which switch belongs to which bulb - identify all 3 switches (so find out what bulbs are switches 1, 2 and 3 connected to)
  3. "A table tennis ball (= ping pong ball) fell into a tight deep pipe (amendment: eg. 30 cm long, buried in concrete pavement - having firm metal bottom, only 1 cm of the pipe is above the ground - so it can not be moved). The pipe was only a bit wider than the ball, so you can not use your hand. How would you take it out, with no damage?" Edit:There is another more straight forward wording . You are stuck in a room with no windows and no doors.There is a hole in the floor about a foot deep (ok, half a meter for you non-americans) and just wider than the diameter of a table tennis ball. There is a table tennis ball at the bottom of the hole.You have a fork, a wrench, and a long, thin plastic wire.How do you get the ball out of the hole?"
  4. "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?(There's a place on the other side to put the bridge against, not just a sheer wall. the water moat has square corners - that section of the moat is about 14.1 metres wide.)"
  5. "Three masters of logic wanted to find out who was the wisest one. So they invited the grand master, who took them into a dark room and said: "I will paint each one of you a red or a blue dot on your forehead. When you walk out and you see at least one red point, raise your hands. The one who says what colour is the dot on his own forehead first, wins." Then he painted only red dots on every one. When they went out everybody had their hands up and after a while one of them said: "I have a red dot on my head."How could he be so sure?"

So, As per the other weeks before...If you think you know the answers e mail me at abstraktrt@gmail.com

Good Luck , You'll Need it ( otherwise you may experience Brain Meltation )


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