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End of season fun. Riddles.

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Comments

  • sadiejane1981
    sadiejane1981 Posts: 9,012
    You can only use the scales once which means only one reading is allowed.
  • MrOneLung
    MrOneLung Posts: 26,827
    MrLargo said:

    I've got it. You take 6 bags of coins to a shop and use them to buy better quality scales. Whilst 6 bags of coins is quite a lot to shell out in one go, you recognise that having good quality scales will save you a great deal of time and aggravation in the future.

    But what if you pay with the Gold coins !!!
  • rina
    rina Posts: 2,334
    PL54 said:

    rina said:

    pas, mas, bras, millionaires, billionaires

    Why is pas the plural of pass (etc) ?

    Princes (above) is certainly correct
    Princes isn't the plural of princess
  • Leuth
    Leuth Posts: 23,312
    put 50 on each side. one side goes down. then take a pair of bags off, one from each side, until the weight evens up. the bag you took from the heavy side for this to happen is the gold bag
  • cafcpolo
    cafcpolo Posts: 3,811

    cafcpolo said:

    Fiiish said:

    Open each bag and have a look? Or, as money bags are normally see-through, use your eyes? Unless we assume you're not allowed to do that or the regular coins are also gold in colour.

    All coins are same in appearance but not purity. The scales can only be used once, you can open the bags (even remove coins) the scale won't hold more than 6000 grams.
    Can't you remove all coins except one from each bag, then do as Largo says...Put all bags on, remove one at a time and see when the weight drops by 1.01?
    there's an easier way

    Add one coin from each bag to the scales one by one and see when the weight reading jumps by 1.01?
  • danhughes99
    danhughes99 Posts: 490
    Sorry been away. @Fiiish is right, princes becomes princess.
  • Leuth
    Leuth Posts: 23,312
    oh wait you said scale, not pair of scales. hmm, lemme think
  • sadiejane1981
    sadiejane1981 Posts: 9,012
    Leuth said:

    put 50 on each side. one side goes down. then take a pair of bags off, one from each side, until the weight evens up. the bag you took from the heavy side for this to happen is the gold bag

    You only get one reading.
  • MrOneLung
    MrOneLung Posts: 26,827
    rina said:

    PL54 said:

    rina said:

    pas, mas, bras, millionaires, billionaires

    Why is pas the plural of pass (etc) ?

    Princes (above) is certainly correct
    Princes isn't the plural of princess
    Prince singular
    Add an S becomes princes plural.
    Add another S becomes princess singular again.
  • sadiejane1981
    sadiejane1981 Posts: 9,012

    I add 5 to 9 and get 2. It's the right answer. How?

    Add 5 hours to 9 o'clock to get 2 o'clock.
    Correct
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  • Leuth
    Leuth Posts: 23,312
    Is it a Libra-style pair of scales or an electronic scale with a reading?
  • sadiejane1981
    sadiejane1981 Posts: 9,012
    Picture a large digital scale.
  • Fiiish
    Fiiish Posts: 7,998
    Label the bags 1 to 100.

    Take 1 coins from bag 1, 2 coins from bag 2 etc... until you have 100 coins from bag 100.

    Weigh all the coins together. If all the coins weighed 1 ounce each, the scales should read 5050 ounces. However there will be an extra 0.01 ounce of weight for each gold coin. So if there were 42 gold coins, the scales would read 5050.42 ounces. Since we took 42 coins from bag 42, we know bag 42 contains the gold coins.
  • Leuth
    Leuth Posts: 23,312
    ^This looks about right. Of course, I was teaching an online maths lesson so couldn't participate fully ;)
  • Phantom_User
    Phantom_User Posts: 655
    Fiiish said:

    Label the bags 1 to 100.

    Take 1 coins from bag 1, 2 coins from bag 2 etc... until you have 100 coins from bag 100.

    Weigh all the coins together. If all the coins weighed 1 ounce each, the scales should read 5050 ounces. However there will be an extra 0.01 ounce of weight for each gold coin. So if there were 42 gold coins, the scales would read 5050.42 ounces. Since we took 42 coins from bag 42, we know bag 42 contains the gold coins.

    I googled it, too, but left it to someone more cleverer than me.. :wink:
  • Leuth
    Leuth Posts: 23,312
    The board's primary Conservative campaigner is a riddle googler? What is this I hear?
  • sadiejane1981
    sadiejane1981 Posts: 9,012
    Fiiish said:

    Label the bags 1 to 100.

    Take 1 coins from bag 1, 2 coins from bag 2 etc... until you have 100 coins from bag 100.

    Weigh all the coins together. If all the coins weighed 1 ounce each, the scales should read 5050 ounces. However there will be an extra 0.01 ounce of weight for each gold coin. So if there were 42 gold coins, the scales would read 5050.42 ounces. Since we took 42 coins from bag 42, we know bag 42 contains the gold coins.

    Absolutely right!
  • Addicted
    Addicted Posts: 2,804
    At least Fiiish put the effort in to change "label the bags 0-99" to "label the bags 1-100".

    That shows real commitment!
  • Fiiish
    Fiiish Posts: 7,998
    It's basically an augmented version of the Gauss 'Add 1 to 100 together' problem.
  • sadiejane1981
    sadiejane1981 Posts: 9,012
    The police rounded up Jim, Bud and Sam yesterday, because one of them was suspected of having robbed a bank. The three suspects made the following statements under intensive questioning: Jim: I’m innocent. Bud: I’m innocent. Sam: Bud is guilty. If only one of these statements is true, who robbed the bank?
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  • Leuth
    Leuth Posts: 23,312
    Jim (easy one!)
  • cafcpolo
    cafcpolo Posts: 3,811
    Jim!
  • sadiejane1981
    sadiejane1981 Posts: 9,012

    You put a coin in an empty bottle and insert a cork in the bottle’s opening. How can you remove the coin without taking out the cork or breaking the bottle?
  • HarryLime
    HarryLime Posts: 1,295
    push the cork right into into the bottle, then shake the coin out.
  • MrLargo
    MrLargo Posts: 7,989
    Push the cork in rather than taking it out?
  • sadiejane1981
    sadiejane1981 Posts: 9,012
    Too easy. Hold on
  • sadiejane1981
    sadiejane1981 Posts: 9,012
    There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

    How can you label the boxes correctly?
  • lordromford
    lordromford Posts: 7,761
    Pick one from the "mixed" box. You know it only contains apples OR oranges, so if you get an apple, you know the one labeled "oranges" is actually the mixed box. Therefore the one labelled "Apples" must be the orange box.
    Likewise but the other way round if you pick an orange.
  • lordromford
    lordromford Posts: 7,761
    edited May 2015
    You're at the south end of a large rectangular field of corn. Surrounded by unscalable walls, you can't tunnel out, get rescued or any of that sort of stuff.
    There is one exit door in the north wall. Unfortunately, there is also a wall of fire that stretches the entire width of the field and the wind is blowing south (and will continue to do so). The fire is too hot for you to go through it. how do you escape?
  • PL54
    PL54 Posts: 10,757
    MrOneLung said:

    rina said:

    PL54 said:

    rina said:

    pas, mas, bras, millionaires, billionaires

    Why is pas the plural of pass (etc) ?

    Princes (above) is certainly correct
    Princes isn't the plural of princess
    Prince singular
    Add an S becomes princes plural.
    Add another S becomes princess singular again.
    Thanks