Guess which one?

Blub2k4 · 09-12-2004 01:58PM

sprinkles wrote:

got it. Ask one guy an obvious question ie. what is 2+2 (thanks for the idea) and if he answers 4 he tells the truth. Then ask the other guy which is the safe door. Take the other one.

If the guy answers anything other than 2 then he is the lier, so ask the other guy which is the safe door and take it.

YES!!

You're only allowed one question, look back a few posts I got it.

Sherifu · 09-12-2004 01:59PM

sprinkles wrote:

got it. Ask one guy an obvious question ie. what is 2+2 (thanks for the idea) and if he answers 4 he tells the truth. Then ask the other guy which is the safe door. Take the other one.

If the guy answers anything other than 2 then he is the lier, so ask the other guy which is the safe door and take it.

YES!!

1 question only

Blisterman wrote:

You're allowed ask one question to either of them

steveland? · 09-12-2004 02:00PM

My... Brain.... owwwww

Ask one guard "If I ask the other guard is he lying, will he tell me an answer the same as yours but different so that when I do the opposite of what you tell me is the opposite of what he tells me if I'm asking the lying guard who's not telling me the opposite of what you're telling me is opposite?"

He'll be too confused and just tell you which door...

Blisterman · 09-12-2004 02:00PM

Yeah, thats right.

Wolf · 09-12-2004 02:03PM

You ask either which way is it to your village/town whatever and the lair will always lie and the truth guy will always be true and therefore the answer will always be the one you want, dont have a riddle plz cont.....

steveland? · 09-12-2004 02:07PM

You ask either which way is it to your village/town whatever and the lair will always lie and the truth guy will always be true and therefore the answer will always be the one you want, dont have a riddle plz cont.....

You only get to ask one question IN TOTAL. Not one question to each guard.

I think Blub2k4 got it

Wolf · 09-12-2004 02:08PM

You only ask one question THINK about it. Both will always point you the right way so it doesnt matter which you ask.........

Iago · 09-12-2004 02:19PM

Blisterman wrote:

You're in a room with two doors. One leads to instant death, one to safety. Each door is guarded by a guard. You're allowed ask one question to either of them. One of them always lies, one always tells the truth, but you don't know which is which.
How do you find out which door leads to safety?

Ask which door the other guard would tell you to go through. Whichever door he says choose the opposite one, because

if the guard you ask is the honest one, then the fact that the other guard picked a door meant he was lying.

If the guard you ask is the lying one then the answer he gives you is incorrect anyway and you still choose the other door

penguinbloke · 09-12-2004 02:19PM

Blub2k4 wrote:

You ask one of them, it doesn't matter which one, "If I ask the other guy which door to go through what would he say?"
Then you do the opposite.

why has this gone on for an extra page?

sprinkles · 09-12-2004 02:22PM

Blub2k4 wrote:

You ask one of them, it doesn't matter which one, "If I ask the other guy which door to go through what would he say?"
Then you do the opposite.

Damn it! Your right!

I read the riddle wrong, thought it was one question each. Kudos.

So its your turn then!

Snuip!

Wolf · 09-12-2004 02:22PM

Iago wrote:

Ask which door the other guard would tell you to go through. Whichever door he says choose the opposite one, because

if the guard you ask is the honest one, then the fact that the other guard picked a door meant he was lying.

If the guard you ask is the lying one then the answer he gives you is incorrect anyway and you still choose the other door

OK but my answer is rightas well.

Iago · 09-12-2004 02:26PM

You have 9 marbles: 8 of them weigh 1 ounce each; 1 weighs 1.1 ounce. The 9 marbles are all the same size, appearance and shape. You have access to a balance scale containing 2 trays - you may use the balance ONLY 2 times. You must determine which of the 9 marbles is the heavier one using the balance ONLY 2 times.

Blub2k4 · 09-12-2004 02:27PM

dont know any to ask sorry, it's open to the floor.

penguinbloke · 09-12-2004 02:35PM

9 marbles split them into three groups of three marbles
put one group on either side of the scales

If the heavier marble is on either side it will fall.

If nothing happens it's in the third group.

Either way now that you know the heavy group take two marbles from it and put one one each side of the scales

if one side is heavier that is the heavier marble otherwise it is the third unweighed marble

Sherifu · 09-12-2004 02:36PM

Iago wrote:

You have 9 marbles: 8 of them weigh 1 ounce each; 1 weighs 1.1 ounce. The 9 marbles are all the same size, appearance and shape. You have access to a balance scale containing 2 trays - you may use the balance ONLY 2 times. You must determine which of the 9 marbles is the heavier one using the balance ONLY 2 times.

Take two groups of 3 marbles at random
weigh 3 against 3

If (one group is heavier then contains 1.1 ounce){
take 2 out of three and weigh one against other.
If ones heavier its 1.1 ounce else one left out is
}
else{
take 2 out of three left out first time and weigh one against other.
If ones heavier its 1.1 ounce else one left out is
}

??

Iago · 09-12-2004 02:36PM

correct and quick, excellent!

09-12-2004 02:37PM

penguinbloke wrote:

9 marbles split them into three groups of three marbles
put one group on either side of the scales

If the heavier marble is on either side it will fall.

If nothing happens it's in the other group.

Either way now that you know the heavy group take two marbles from it and put one one each side of the scales

if one side is heavier that is the heavier marble otherwise it is the third unweighed marble

*clap clap clap* God thats bloody good!!

steveland? · 09-12-2004 02:38PM

That's genius... I'm just waiting for the Die Hard With a vengance one...

Spalk0 · 09-12-2004 02:39PM

well ive got it down to between 2 marbles but thats it!

Basically, put for marbles in each side of the balance so your left with 1!if the balance is balanced so to speak, the heavy one is in your hand!if the balance seems to tip to one side, the heavier one is on that side!get rid of the other four of them and this time with the remaining four split them into 2 on each side and see which is heavier which would leave it between the two of em!

oops, that was a lot of replies that came in before mine!

Iago · 09-12-2004 02:43PM

A quick one while we're waiting for the next..

Two parents and their 2 kids have come to a river, and they find a boat. It is small and can only carry one adult or 2 kids at a time. Both kids are good rowers, but how can the whole family reach the other side of the river?

09-12-2004 02:44PM

Trigger! wrote:

well ive got it down to between 2 marbles but thats it!

Basically, put for marbles in each side of the balance so your left with 1!if the balance is balanced so to speak, the heavy one is in your hand!if the balance seems to tip to one side, the heavier one is on that side!get rid of the other four of them and this time with the remaining four split them into 2 on each side and see which is heavier which would leave it between the two of em!

oops, that was a lot of replies that came in before mine!

Is he called Trigger 'cos hes as fast as a gun?
No! He looks like a horse!!

Sherifu · 09-12-2004 02:44PM

Iago wrote:

A quick one while we're waiting for the next..

Two parents and their 2 kids have come to a river, and they find a boat. It is small and can only carry one adult or 2 kids at a time. Both kids are good rowers, but how can the whole family reach the other side of the river?

Do they have the honey i shrunk the kids machine?

steveland? · 09-12-2004 02:45PM

The two children row over

One child rows back

One adult rows over

The other child rows back

Both children row over

One child rows back

The other adult rows over

The other child rows back

The two children row over

monkeyfudge · 09-12-2004 02:46PM

Iago wrote:

You have 9 marbles: 8 of them weigh 1 ounce each; 1 weighs 1.1 ounce. The 9 marbles are all the same size, appearance and shape. You have access to a balance scale containing 2 trays - you may use the balance ONLY 2 times. You must determine which of the 9 marbles is the heavier one using the balance ONLY 2 times.

This isn't the leaving cert you know?

I don't suppose these are metaphorical marbles? And the heaviest marble represents the hatred I have for my father???

eh... could you put 4 marbles on each tray and see if they balance. If they do then the remaining marble is the heavy one. If they don't well.. eh.. umm... remove all the lighter ones as they are now out of the equation... so we're left with 4 possible candicates... anyone else got any ideas of how to take it further with just one weighing left?

Iago · 09-12-2004 02:46PM

Modified wrote:

Do they have the honey i shrunk the kids machine?

not quite but good attempt!!

Steve D is right..

penguinbloke · 09-12-2004 02:47PM

a man is carrying three pieces of gold each piece weighing one kilogram. While taking a walk he comes to a bridge which has a sign posted saying the bridge could hold only a maximum of 80 kilograms. He weighs 78 kilograms and the gold weighs three kilograms. He reads the sign and still safely crossed the bridge with all the gold in one trip. How did he manage this?

steveland? · 09-12-2004 02:49PM

Yay!

I suppose it's Die Hard time...

How can you get exactly 4 liters of water out of a full barrel when there are only a 5 liter and a 3 liter container available?

Sherifu · 09-12-2004 02:50PM

SteveD wrote:

Yay!

I suppose it's Die Hard time...

How can you get exactly 4 liters of water out of a full barrel when there are only a 5 liter and a 3 liter container available?

fill 3 litres
empty into 5 litres
fill 3 litres
empty into 5 litres till full
empty 5 litres
empty 1 litre in 3 litre into 5 litre
fill 3 litre
empty into 5 litre
in die hard it was gallons and they had a fountain with ganesh wheres our fountain?

09-12-2004 02:51PM

does he eat it all?

Sherifu · 09-12-2004 02:52PM

penguinbloke wrote:

a man is carrying three pieces of gold each piece weighing one kilogram. While taking a walk he comes to a bridge which has a sign posted saying the bridge could hold only a maximum of 80 kilograms. He weighs 78 kilograms and the gold weighs three kilograms. He reads the sign and still safely crossed the bridge with all the gold in one trip. How did he manage this?

Slimfast?

Guess which one?

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