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Re: Brain Teaser by annnikky(f): 4:46pm On Sep 08, 2016 |
A square medieval castle on a square island is under siege. All around the castle there is a square moat 10 meters wide. Due to a regrettable miscalculation the raiders have brought footbridges, which are only 9.5 meters long. The invaders cannot abandon their campaign and return empty-handed. How can the assailants resolve their predicament? |
Re: Brain Teaser by femi4: 4:58pm On Sep 08, 2016 |
annnikky: |
Re: Brain Teaser by emorse(m): 5:07pm On Sep 08, 2016 |
annnikky:NO NO NO. That's not what you do to champions. |
Re: Brain Teaser by femi4: 5:28pm On Sep 08, 2016 |
annnikky:I would just put one footbridge across the corner (forming triangle) and the other footbridge from the corner to the middle of the island. Lobatan! |
Re: Brain Teaser by annnikky(f): 6:21pm On Sep 08, 2016 |
femi4:Yeeeaaaaah correct |
Re: Brain Teaser by annnikky(f): 6:21pm On Sep 08, 2016 |
emorse:Ok baby wat do I do then? |
Re: Brain Teaser by annnikky(f): 6:22pm On Sep 08, 2016 |
A military car carrying an important letter must cross a desert. There is no petrol station in the desert, and the car's fuel tank is just enough to take it half way across. There are other cars with the same fuel capacity that can transfer their petrol to one another. There are no canisters or rope to tow the cars. How can the letter be delivered? You can play a little game with model cars to simulate this puzzle. |
Re: Brain Teaser by annnikky(f): 6:23pm On Sep 08, 2016 |
A distant planet "X" has only one airport located at the planet's North Pole. There are only 3 airplanes and lots of fuel at the airport. Each airplane has just enough fuel capacity to get to the South Pole. The airplanes can transfer their fuel to one another. Your mission is to fly around the globe above the South Pole with at least one airplane, and in the end, all the airplanes must return to the airport. |
Re: Brain Teaser by Nobody: 7:45pm On Sep 08, 2016 |
annnikky:gracias, |
Re: Brain Teaser by annnikky(f): 7:55pm On Sep 08, 2016 |
royalvalentine19: 2 Likes |
Re: Brain Teaser by emyblinkx(m): 2:01am On Sep 11, 2016 |
Someone pls explain how d parrot z a lady |
Re: Brain Teaser by annnikky(f): 10:33am On Sep 11, 2016 |
emyblinkx:That one has been solved already n if u watch closely u'll c d lady, d tail is d leg n d forehead is d eye of d parrot meanwhile there r other ones to solve so am waiting for u |
Re: Brain Teaser by HyDef(m): 8:25pm On Sep 11, 2016 |
annnikky: Amount of cars isn't stated, but let's assume there are 8 cars. All eight cars begin to drive. A quarter through the desert, all cars have half a tank. At this point four of the cars transfer their half tanks to the rest. So now four cats are empty, and four have full tanks. Those with full tanks proceed, and when their tanks are at half again, 2 transfer all their fuel to the other two, which would give 2 full tanks. Enough to deliver the letter. |
Re: Brain Teaser by annnikky(f): 10:11pm On Sep 11, 2016 |
HyDef:U got it right HyDef buh in my sol. they used 2 cars |
Re: Brain Teaser by annnikky(f): 8:13pm On Sep 16, 2016 |
Three missionaries and three cannibals want to get to the other side of a river. There is a small boat, which can fit only two. To prevent a tragedy, there can never be more cannibals than missionaries together. |
Re: Brain Teaser by femi4: 10:29pm On Sep 16, 2016 |
annnikky:First trip: Two cannibals will go Second Trip: One of the cannibals return the boat Third Trip: - Two cannibals will go Forth Trip: One of the cannibas comes back. Fifth Trip: Two missionaries leaves Sixth Trip: One cannibal and one missionary return the boat. Seventh Trip - The last 2 missionaries cross, Eighth Trip: One cannibal return the boat Nineth trip: Two cannibals crosses over and Tenth trip: One of them return for the last trip Finally, the last two cannibals crosses over |
Re: Brain Teaser by annnikky(f): 10:58pm On Sep 16, 2016 |
femi4: Femi4 u tried buh u didn't get it correct this time |
Re: Brain Teaser by emorse(m): 12:26am On Sep 17, 2016 |
annnikky:Let's assume they are crossing from A to B; C = cannibals and M = missionaries. At the beginning, A=(3C & 3M). B=(NOBODY) 1. Two cannibals cross to B, one returns. A=(3M & 1C) ------> 2C -------> B=(2C) A=(3M & 2C) <------ 1C <------- B=(1C) 2. He picks the last cannibal and returns the boat to A. A=(3M). ------->2C------->B=(3C) A=(3M & 1C) <-----1C<----- B=(2C) 2. Two missionaries cross to B, one missionary and one cannibal return to A. A=(1M & 1C) -----> 2M. ----->B=(2C & 2M) A=(2M & 2C) <-----1M &1C<-----B=(1C & 1M) 3. Two missionaries cross to B and the only cannibal there present returns with the boat to pick his cannibal friends one after the other. A=(2C) ----->2M-----> B=(1C & 3M) A=(3C) <-----1C<----- B=(3M) A=(1C) ----->2C-----> B=(2C & 3M) A=(2C) <-----1C<----- B=(1C & 3M) A=(NOBODY) ----->2C-----> B=(3C & 3M)!!!! PS: The items between each pair of arrows shows the movement of Cs and Ms while the items in brackets shows the number of Cs and Ms at either side of the river after each movement. PSS: You know what to do baby |
Re: Brain Teaser by annnikky(f): 8:22am On Sep 17, 2016 |
emorse:U tried buh not correct yet |
Re: Brain Teaser by emorse(m): 9:01am On Sep 17, 2016 |
annnikky: Why na? There's no time when the cannibals are more than the missionaries. And they all crossed. |
Re: Brain Teaser by annnikky(f): 9:17am On Sep 17, 2016 |
emorse:Lemme post d sol. R u ok with that |
Re: Brain Teaser by femi4: 9:40am On Sep 17, 2016 |
emorse:Don't mind her......your answer and mine were the same. I dey here dey wait her in HD to reveal her solution |
Re: Brain Teaser by emorse(m): 9:49am On Sep 17, 2016 |
annnikky:Oya post. But if its the same ehn, I won't take ordinary peck as reward o. Na French kiss I go collect. |
Re: Brain Teaser by emorse(m): 9:50am On Sep 17, 2016 |
femi4:Oya make we dey watch na |
Re: Brain Teaser by annnikky(f): 1:10pm On Sep 17, 2016 |
emorse:Ok ooo |
Re: Brain Teaser by annnikky(f): 1:11pm On Sep 17, 2016 |
D sol. 1 cannibal and 1 missionary there, missionary back. 2 cannibals there, 1 cannibal back. 2 missionaries there, 1 missionary and 1 cannibal back. 2 missionaries there, 1 cannibal back. This one cannibal takes the remaining cannibals to the other side. So check this out |
Re: Brain Teaser by femi4: 1:18pm On Sep 17, 2016 |
annnikky:In real life condition: The bolded trips are suicidal. The cannibal will eat the missionary Also, your trip 3 will be invalid. That is "2 cannibals there" since you stated that there would be tragedy if there are more cannibals than missionaries together. Remember the boat can only take two people. Finally, I think the right tragic life situation should be: A missionary and a cannibal cannot be together |
Re: Brain Teaser by annnikky(f): 1:50pm On Sep 17, 2016 |
femi4: Visualisation will help understand the solution: At the beginning CCC MMM [boat empty] [other coast empty] "1 cannibal and 1 missionary there, missionary back" CC MM......[CM]-> ...... CC MM ...... <-[M] ...... C CC MMM ...... [] ...... C "2 cannibals there, 1 cannibal back" MMM ...... [CC]-> ...... C MMM ...... <-[C] ...... CC C MMM ...... [] ...... CC "2 missionaries there, 1 missionary and 1 cannibal back" C M ...... [MM]-> ...... CC C M ...... <-[MC] ...... C M CC MM ...... [] ...... C M "2 missionaries there, 1 cannibal back" CC ...... [MM]-> ...... C M CC ...... <-[C] ...... MMM CCC ...... [] ...... MMM "This one cannibal takes the remaining cannibals to the other side" C ...... [CC]-> ...... MMM C ...... <-[C] ...... C MMM ...... [CC]-> ...... C MMM |
Re: Brain Teaser by femi4: 2:05pm On Sep 17, 2016 |
annnikky:Interprete this:There can never be more cannibals than missionaries together. Cos we have "Before the Trip" "The Trip" and "Destination" When does that condition holds? |
Re: Brain Teaser by annnikky(f): 3:26pm On Sep 17, 2016 |
femi4: Watch this then https://www.youtube.com/watch?v=W9NEWxabGmg |
Re: Brain Teaser by emorse(m): 5:05pm On Sep 17, 2016 |
annnikky: emorse: Oya show me the difference. Don't even bother sef, just give me my thing sharp sharp
|
Re: Brain Teaser by Dicelson(m): 5:56pm On Sep 17, 2016 |
annnikky:. Correct! In fact, you made a good point. |
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