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Logic puzzle

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By *eliciouslySalacious OP   Couple
over a year ago

Glasgow

Avid Guardian readers will have seen this already but I thought it was good. I got it wrong and would have considered myself quite good at these things .

[names changed to protect the innocent, you never know if any of these guys are swingers...]

So here goes:

Alice is looking at Bob, but Bob is looking at Eve. Alice is married but Eve is not. Is a married person looking at an unmarried person?

A. Yes

B. No

C. Not enough information

(Alice isn't transitively looking at Eve or in line of sight...)

Good luck!

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By *vbride1963TV/TS
over a year ago

E.K . Glasgow

C ?

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By (user no longer on site)
over a year ago

C. We don't know Bobs' status.

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By (user no longer on site)
over a year ago

A because if Bob is not married then Alice is... If Bob is Married then he is... I think...

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By *vbride1963TV/TS
over a year ago

E.K . Glasgow


"A because if Bob is not married then Alice is... If Bob is Married then he is... I think... "

Well done i think your right

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By (user no longer on site)
over a year ago


"A because if Bob is not married then Alice is... If Bob is Married then he is... I think...

Well done i think your right "

Thanks ... good question though - my poor wee brain hurts now

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By *vbride1963TV/TS
over a year ago

E.K . Glasgow


"A because if Bob is not married then Alice is... If Bob is Married then he is... I think...

Well done i think your right

Thanks ... good question though - my poor wee brain hurts now "

Meringue sugar rush required

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By (user no longer on site)
over a year ago


"A because if Bob is not married then Alice is... If Bob is Married then he is... I think...

Well done i think your right

Thanks ... good question though - my poor wee brain hurts now

Meringue sugar rush required "

Swooooooooooons lol x

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By (user no longer on site)
over a year ago

A for reasons above good question am awake now

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By *eliciouslySalacious OP   Couple
over a year ago

Glasgow


"A because if Bob is not married then Alice is... If Bob is Married then he is... I think... "

Correct! Full marks . I thought it was 'C' and my ego was hugely bruised when I was told I was wrong .

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By *Carver-Man
over a year ago

Glasgow


"A because if Bob is not married then Alice is... If Bob is Married then he is... I think...

Correct! Full marks . I thought it was 'C' and my ego was hugely bruised when I was told I was wrong ."

Hah, same! I'll admit I'm nice but dim.

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By (user no longer on site)
over a year ago

I'm slightly confused but convinced it's C.

Imagine them standing in a line Alice is looking at Bob and Bob at Eve. Bob isn't looking at Alice so regardless of whether Bob is married or not he's not not looking at Alice. The only person we know who is married (I think my brains a bit frazzled with names) Bob is looking at Eve but that's irrelevant not knowing Bobs status so there's not enough information. So if it is A I'm convinced the newspaper is wrong... I think.

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By *eliciouslySalacious OP   Couple
over a year ago

Glasgow


"I'm slightly confused but convinced it's C.

Imagine them standing in a line Alice is looking at Bob and Bob at Eve. Bob isn't looking at Alice so regardless of whether Bob is married or not he's not not looking at Alice. The only person we know who is married (I think my brains a bit frazzled with names) Bob is looking at Eve but that's irrelevant not knowing Bobs status so there's not enough information. So if it is A I'm convinced the newspaper is wrong... I think. "

It hinges on the realization that despite not being explicitly told Bob's marital status, he can only be married or unmarried.

In the case where he's married, he's looking at Eve, who is unmarried = Yes.

In the case where he's unmarried, Alice is looking at him = Yes.

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By (user no longer on site)
over a year ago


"I'm slightly confused but convinced it's C.

Imagine them standing in a line Alice is looking at Bob and Bob at Eve. Bob isn't looking at Alice so regardless of whether Bob is married or not he's not not looking at Alice. The only person we know who is married (I think my brains a bit frazzled with names) Bob is looking at Eve but that's irrelevant not knowing Bobs status so there's not enough information. So if it is A I'm convinced the newspaper is wrong... I think. "

The point is whether Bob is married or not then one person looking at another IS married... if Bob is unmarried then Married Alice is looking at him... if Bob IS married then he is looking at Eve... in either case there is always one married person looking at an unmarried one

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By (user no longer on site)
over a year ago

Ooo that was too much brain energy at this time (whilst meant to be in uni tutorial at moment) but I got it eventually

Mrs J xx

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By *ary_ArgyllMan
over a year ago

Argyll


"I'm slightly confused but convinced it's C.

Imagine them standing in a line Alice is looking at Bob and Bob at Eve. Bob isn't looking at Alice so regardless of whether Bob is married or not he's not not looking at Alice. The only person we know who is married (I think my brains a bit frazzled with names) Bob is looking at Eve but that's irrelevant not knowing Bobs status so there's not enough information. So if it is A I'm convinced the newspaper is wrong... I think.

The point is whether Bob is married or not then one person looking at another IS married... if Bob is unmarried then Married Alice is looking at him... if Bob IS married then he is looking at Eve... in either case there is always one married person looking at an unmarried one "

Ah but Bob could be married legally in another country e.g. polygamously but that marriage would not be recognised in the UK - so Bob could be both married and un-married which sort of means a third state in-between the two of not quite being married! So the answer is C.

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By *lawless doveWoman
over a year ago

bothwell

My answer for what it is worth is A

Alice is married and lookind at a possibly unmarried Bob

Or a Married Bob is looking at an unmarried eve

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By (user no longer on site)
over a year ago


"My answer for what it is worth is A

Alice is married and lookind at a possibly unmarried Bob

Or a Married Bob is looking at an unmarried eve

"

That's it lovely lady

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By (user no longer on site)
over a year ago


"I'm slightly confused but convinced it's C.

Imagine them standing in a line Alice is looking at Bob and Bob at Eve. Bob isn't looking at Alice so regardless of whether Bob is married or not he's not not looking at Alice. The only person we know who is married (I think my brains a bit frazzled with names) Bob is looking at Eve but that's irrelevant not knowing Bobs status so there's not enough information. So if it is A I'm convinced the newspaper is wrong... I think.

The point is whether Bob is married or not then one person looking at another IS married... if Bob is unmarried then Married Alice is looking at him... if Bob IS married then he is looking at Eve... in either case there is always one married person looking at an unmarried one

Ah but Bob could be married legally in another country e.g. polygamously but that marriage would not be recognised in the UK - so Bob could be both married and un-married which sort of means a third state in-between the two of not quite being married! So the answer is C."

Does that not just give a more complex arrival to A lol

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By (user no longer on site)
over a year ago

This hurts my brain

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By (user no longer on site)
over a year ago

That's makes more sense now!

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By (user no longer on site)
over a year ago


"That's makes more sense now! "

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By (user no longer on site)
over a year ago

Bob is married to Alice. Bob & Alice are not swingers. Bob sleeps with Eve & Alice finds out. How long does Bob have to live?

A) 10 minutes

B) 1 day

C) Bob is already dead

Mr J

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By (user no longer on site)
over a year ago


"Bob is married to Alice. Bob & Alice are not swingers. Bob sleeps with Eve & Alice finds out. How long does Bob have to live?

A) 10 minutes

B) 1 day

C) Bob is already dead

Mr J"

Lmfao Mr J... I'm going for C this time

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By *ary_ArgyllMan
over a year ago

Argyll


"I'm slightly confused but convinced it's C.

Imagine them standing in a line Alice is looking at Bob and Bob at Eve. Bob isn't looking at Alice so regardless of whether Bob is married or not he's not not looking at Alice. The only person we know who is married (I think my brains a bit frazzled with names) Bob is looking at Eve but that's irrelevant not knowing Bobs status so there's not enough information. So if it is A I'm convinced the newspaper is wrong... I think.

The point is whether Bob is married or not then one person looking at another IS married... if Bob is unmarried then Married Alice is looking at him... if Bob IS married then he is looking at Eve... in either case there is always one married person looking at an unmarried one

Ah but Bob could be married legally in another country e.g. polygamously but that marriage would not be recognised in the UK - so Bob could be both married and un-married which sort of means a third state in-between the two of not quite being married! So the answer is C.

Does that not just give a more complex arrival to A lol "

No - Bob is in a third indeterminate state!

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By (user no longer on site)
over a year ago


"I'm slightly confused but convinced it's C.

Imagine them standing in a line Alice is looking at Bob and Bob at Eve. Bob isn't looking at Alice so regardless of whether Bob is married or not he's not not looking at Alice. The only person we know who is married (I think my brains a bit frazzled with names) Bob is looking at Eve but that's irrelevant not knowing Bobs status so there's not enough information. So if it is A I'm convinced the newspaper is wrong... I think.

The point is whether Bob is married or not then one person looking at another IS married... if Bob is unmarried then Married Alice is looking at him... if Bob IS married then he is looking at Eve... in either case there is always one married person looking at an unmarried one

Ah but Bob could be married legally in another country e.g. polygamously but that marriage would not be recognised in the UK - so Bob could be both married and un-married which sort of means a third state in-between the two of not quite being married! So the answer is C.

Does that not just give a more complex arrival to A lol

No - Bob is in a third indeterminate state!"

Bob is either married or not... in either case there is one married person looking at an unmarried one

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