[Misc] Are you one of the 4%...

[Aveacarlin']

A & 2 & 7
A and 2 ,to check if other sides are even and a vowel, K isnt a vowel so no need to check . 7 isnt an even number , but need to check to make sure other side ISNT a vowel ,

Yeah but how do you know that 'k' doesn't have an even number on the reverse without checking?

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[The Fifth Column]

Surely all of them? To check the rule has been followed you need to see the other side of each card.

 

[Wrong-Direction]

I said it at school and I'll say it again now, f*** algebra.

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[Wrong-Direction]

If you did that without help, welcome to the 4% club.

I guess you need to leave the club..

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[The Optimist]

I guess you need to leave the club..

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The question was different. In the Johnson-Laird & Wason question (according to Google) you were told each card had a number on one side and a letter on the other side, hence no need to check the k. We weren't told that hence you have to check k.

 

[The Optimist]

Card three, the one with 2 on it, it must have a vowel on the obverse side or the rule is false.

No, the rule is that a vowel must have an even number on the other side. That does not mean that an even number must have a vowel on the other side.

 

[Kalimantan Gull]

I guess you need to leave the club..

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I said A&7, but that's wrong, in the question as asked at the start of this thread you have to check the K. If there is a vowel on the other side then the rule has been violated.

 

[dazzer6666]

The question was different. In the Johnson-Laird & Wason question (according to Google) you were told each card had a number on one side and a letter on the other side, hence no need to check the k. We weren't told that hence you have to check k.

Exactly.

 

[Harry Wilson's tackle]

One side, the cards show AK27. On the back, it has to be a vowel, an even number or neither. With 3 outcomes, only one of which fits the rule:

A has to be turned in case the back is not an even number
K has to be turned in case the back IS a vowel
2 has to be turned in case the back is NOT a vowel
7 has to be turned in case the back is a vowel.

All of them shirly?

 

[Harry Wilson's tackle]

Ah, no, the 2 doesn't matter

 

[Hendrax]

All of them

 

[Wrong-Direction]

I've had friends fall out over this tonight

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[SUA Seagull]

This has been bugging me and my family all day! After taking another look at the exact wording this evening "If a card has a vowel on one side, it must have an even number on the other side" then in order to prove that rule I think the following logic applies.

A - needs to be turned over to check if there's an even number on the back. If yes, the rule is proved. If no, the rule is disproved.
K - no need to turn that over because it's a consonant, so the number on the obverse is irrelevant.
2 - no need to turn that over because it doesn't matter if it's a consonant or a vowel on the obverse because the rule says "if there's a vowel on one side there has to be an even number on the other side". The rule does not say that the same applies vice versa, i.e. if there's an even number on one side there has to be a vowel on the back. So turning over that card would not prove or deny the rule. So no need to turn it over.
7 - needs to be turned over to prove that there's not a vowel on the back, which - if there was - would disprove the rule.

So I (now) think it's A and 7. Earlier I thought A and 2 because I made the careless mistake of reading the vowel/number rule as applying vice versa too, which it doesn't actually state.

 

[Easy 10]

Lifes too short.

 

[Triggaaar]

I guess you need to leave the club..

Leave the club? I'm chairman of the ****ing club. It's AK7.

 

[Triggaaar]

K - no need to turn that over because it's a consonant, so the number on the obverse is irrelevant.

No one said there'd be a number on the other side. There could be a drawing of a cock, or there could be a vowel. If it's the latter, the rule is broken, so we have to know what it is. Is it a cock, or is it a vowel.

 

[DavePage]

8E4

 

[neilbard]

Ace & Jack

 

[Mo Gosfield]

What has this got to do with the price of fish?

 

[DavePage]

What has this got to do with the price of fish?

Doh everything, Cod has 1 vowel, Haddock 2, Hake 2, Huss 1, Skate 2, don’t trust flounder or roe