The Riddle Thread….

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  • #1067731

    Anonymous

    Speaking from the perspective of this moderator and only this moderator:

    this riddle thread is keeping my head spinning like a dreidel…

    #1067732

    Ashrecha Yisroel
    Participant

    Moderator: do you enjoy having to read every riddle?

    #1067733

    Ashrecha Yisroel
    Participant

    Rashi Pesachim 4a for explanation.

    #1067734

    this is a great topic bec there is no lashon hora and there cant be so much machlokes


    and even with that there are still loads and loads of posts

    #1067735

    noitallmr
    Participant

    Moderator- good to get you thinking a bit!!! 🙂

    #1067736

    Dr. Pepper
    Participant

    Here’s one from the textbook I used for calculus;

    A hiker takes his time walking slowly and making many stops along a trail from 7:00 A.M. to 7:00 P.M. where he rests for the night. The next morning at 7:00 A.M. he begins his leisurely walk back along the exact same route, again making many stops along the way (not necessarily in the same places), and finishing at 7:00 P.M.

    Is there for certain a place along the route where he was in that exact spot the same time on both days? The question isn’t asking where the particular spot is, only if such a particular spot exists.

    (Hint: The answer book wanted required a minimal knowledge of function graphing, however this can be answered with no math background.)

    #1067737

    Ashrecha Yisroel-

    First rashi on the amud, let’s not deprive someone else a chance to look it up.

    Dr. Pepper-

    Maybe, but not necessarily.

    If he finishes more than an average of 50% of the journey before 50% of the time is up, he won’t ever be in the same place at the same time.

    #1067738

    Thisis a puzzle from a book:

    Here are six nines-

    999999

    Can you use them in an equation that totals 100?

    #1067739

    anon for this
    Participant

    Dr. Pepper,

    Graph his position on the outbound trip, using the x axis for elapsed time for this trip and the y axis for distance from his original starting point. You’ll get a line (or collection of points) that moves from the bottom left to the upper right of the graph. This line will always have a slope greater than or equal to 0, because he’s always either moving forward or resting, never retreating.

    Now graph his position for the return trip on the same graph. The line representing this trip will start at the upper left, at the same point along the y axis that the . first line ended, and move to the bottom right. Now this line must always have a negative or zero slope, depending on whether he’s walking or resting.

    The two lines must intersect once (and only once). Since the x axis represents elapsed time since that day’s starting point and he started at the same time both days, this means that he reached this particular point at the same time both days.

    Even though this problem is intended to be solved through graphing, which is what I do above, it’s easier to imagine two people starting at the same time from opposite points and traveling in a straight line towards each other, stopping occasionally but not moving backwards. It’s intuitively obvious that the two will meet at one particular point.

    #1067740

    Dr. Pepper-

    I take it back…

    Yes, they must be at the same place and the same time at one point, just like two cars going in opposite directions on the highway that depart and arrive at the same times.

    #1067741

    oomis
    Participant

    I did indeed mean day 28, at which point he will be 27 feet high, and only needs to climb another 3 feet, at which point he has reached the top. This is like the riddle,” If you have three pills and they have to be taken at the rate of one every half hour, how much time will pass by the time you have swallowed all three?”

    #1067742

    Q: What can travel all around the world while still staying in one corner?

    A: A postage stamp.

    #1067743

    I think Reuven and Chaim might feel out of place at a U2 concert…if you had left the names as Adam and Larry, then it might work 🙂

    I don’t have access to a Gemara right now, so I can’t look up the Rashi on Pesachim, but here’s my guess. The man’s parents each had children from previous marriages who later married each other. Thus, the couple are each his (half) siblings but they are halachically allowed to marry since they aren’t blood related to each other.

    #1067744

    noitallmr
    Participant

    Not really a riddle but interesting anyway- what’s the shortest Daf in Shas?

    #1067745

    Feif Un
    Participant

    noitallmr, do you mean in terms of the text of the Gemara only, not counting Rashi and Tosafos? If so, it’s in Nazir – daf lamed gimmel, I think, although I’m not sure exactly. One amud has something like 4 lines, the other amud is entirely Tosafos.

    #1067746

    jewishfeminist02-

    “I think Reuven and Chaim might feel out of place at a U2 concert”

    -Since this is a riddle/puzzle thread, lets treat this as a puzzle and try to figure out the circumstances:

    1) How can Reuven and Chaim attend the concert? Besides the music itself, can’t there be a problem of “kol isha” with an opening act? (I think U2 itself is all men)

    2) Why did they leave themselves so little time to get there?

    3) Why is it so important that they get there on time that they are crossing a dark, unsafe bridge to do so?

    The answer is clearly as follows:

    Reuven and Chaim are electricians, hired to ensure that the sound system and lighting are up to par and safe thruoughout the concert.

    They carefully checked beforehand to ensure there were no woman singers or performers before the concert.

    They received a heter iska to be present in the building while the concert was being held.

    The concert was scheduled to begin motzei Shabbos, shortly after havdala, which is why they were under such time constraints.

    Gut Shabbos.

    #1067747

    Dr. Pepper
    Participant

    Yes, Reb anon for this, that is correct.

    #1067748

    squeak
    Participant

    Math? Yuck. We managed to avoid those riddles up ’till now. I guess I have a good one, too, then. This was an actual SAT question that no one was able to answer, from back when the T stood for test (oy, I hate making myself look old).

    If a person drives to a place at 40 MPH, and then drives back at 30 MPH, and the total trip takes 1 hour with no stops, what is the average speed for the trip? [Note that the distance is the same both ways, and the speed in each direction is not an average but an exact and constant speed].

    I think that the 9’s is the only one left outstanding – but it is not specified what order of operation to use.

    #1067749

    zimby
    Member

    The man who invented it doesn’t want it. The man who bought it doesn’t need it. The man who needs it doesn’t know it. What is it?

    #1067750

    zimby
    Member

    What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

    #1067751

    squeak-

    “Math? Yuck.”

    -I’m with you there.

    In school I enjoyed history, english and science, but math? not my slice of pi.

    Rest assured the “Nines” puzzle does not use any complex equations.

    Heres a great, big hint-

    The first three characters of the equation are “99+”

    I think the answer to your puzzle is about 34.3 MPH.

    The logic I used is:

    Since he traveled the same distance at the two different speeds, we calculate 2/3 * x = .5 * y with x+y = 60. The closest I can come is about x=25.7, y=34.3 (time) and 17.13 (distance). 2*17.13 is about 34.3

    (I may not know what I’m talking about – math majors, please help).

    zimby-

    The answer to your second is “a river”

    #1067752

    zimby
    Member

    Yes the second answer is a river, heres another:

    A chest without hinges key or lid but inside golden treasures are hid. What is the chest and what is the treasure?

    #1067753

    zimby
    Member

    This ones a little bit harder but…

    A notorious robber has made a lucrative living by robbing travelers in the forest. Inspector Bob has, after extensive examination of the available clues, identified three suspects. Their statements follow. One makes two true statements; one makes one true and one false statement; one makes two false statements.

    A. 1)I am not the robber 2)C is the robber

    B. 1)C is innocent 2)A is the robber

    C. 1)I am not the robber 2) B is innocent

    Which one is the robber?

    #1067754

    Ashrecha Yisroel
    Participant

    99+99/99=100

    I thought tha was an old one.

    #1067755

    oomis
    Participant

    “The man who invented it doesn’t want it. The man who bought it doesn’t need it. The man who needs it doesn’t know it. What is it? “

    A burial casket?

    “What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps? ”

    A river.

    #1067756

    zimby-

    The robber one:

    a: true, true

    b: false, false

    c: false, true

    gut voch

    #1067757

    Ashrecha Yisroel-

    Correct!

    (I am not the author of any of the puzzles I posted, and for the most part don’t know if they’re oldies).

    #1067758

    noitallmr
    Participant

    The shortest Daf (Gemara Text) is Bava Kama 77a. Check it out- two lines…

    #1067759

    Here’s one for the kids:

    What has pains but doesn’t ache

    is very hard but easy to break?

    #1067760

    zimby-

    “What is the chest and what is the treasure?”

    An egg? (the shell and yolk)

    A person? (heart of gold)

    #1067761

    Feif Un
    Participant

    zimby, you’ve been reading your Tolkien, haven’t you? That is where you got the egg riddle from, right?

    #1067762

    zimby
    Member

    ICOT: Right with both, ok for you I have a harder one coming soon.

    Oomiss1105: Right

    #1067763

    noitallmr
    Participant

    You take a cigarette out of the box. You don’t have a lighter, flint stones, matches, candle, anyone else near you and no lit cigarettes either. How do you light it?

    #1067764

    What’s next?

    61,52,63,?

    #1067765

    Do you know me?

    I am a man. If Yankel’s son is my son’s father, what relationship am I to Yankel?

    #1067766

    Spaced out:

    The earth takes exactly 24 hours to complete one full roatation, right?

    Explain your answer.

    #1067767

    noitallmr-

    1) Use a magnifying lens and sunlight.

    2) Wait until you get a lighter.

    3) Call a shadchan, tell him you’re single, and get a match.

    4) Join a YW thread and wait for an incendiary comment.

    #1067768

    oomis
    Participant

    1)How do you light it? You don’t. THAT STUFF CAN KILL YOU, MAN!!!!!

    (or if desperate, you go to the stove).

    2) “I am a man. If Yankel’s son is my son’s father, what relationship am I to Yankel? ‘

    I am Yankle’s son.

    #1067769

    noitallmr
    Participant

    What’s next?

    61,52,63,?

    54??? Probably isn’t coz that’s too easy.

    Do you know me?

    I am a man. If Yankel’s son is my son’s father, what relationship am I to Yankel?

    My son’s father is me so Yankel is my father.

    Come on ICOT…you can do better then that! 🙂

    #1067770

    oomis1105-

    noitallmr-

    re: Who am I? – both correct!

    What’s next?

    -54??? no, keep on trying.

    “Come on ICOT…you can do better then that! :-)”

    – ‘fraid not :-p

    #1067771

    What’s next? (new and improved! with clue enclosed!)

    61,52,63,?,46

    #1067772

    noitallmr
    Participant

    Re: ICOT-

    noitallmr-

    1) Use a magnifying lens and sunlight. – you don’t have a magnifying glass and its a cloudy day.

    2) Wait until you get a lighter. – i want it NOW…

    3) Call a shadchan, tell him you’re single, and get a match.- You can light a cigarette with a girl???

    4) Join a YW thread and wait for an incendiary comment. – 🙂

    Keep trying guys…

    #1067773

    Dr. Pepper
    Participant

    61,52,63,?,46

    I think the pattern starts earlier, 1,4,9,61,52,63,94,46,18,001,121,441,961,691,522…

    But thanks,

    I really enjoyed that one.

    #1067774

    squeak
    Participant

    What’s black and white and red/read/redt all over?

    #1067775

    Feif Un
    Participant

    squeak, that has more answers than almost any other riddle I know.

    A newspaper

    A skunk in a blender

    A yeshiva bachur on his first date

    there are more, I just don’t feel like writing them all.

    #1067776

    squeak
    Participant

    Imagine a digital clock (I wouldn’t stigmatize anyone by saying a digital watch. When the minutes are the same as the hour, that is called a “double”, e.g. 2:02 is a double, as is 10:10.

    What is the longest amount of time between doubles? What is the shortest?

    #1067777

    squeak
    Participant

    Eisav and Yishmael are fighting. The UN decided to stop the fighting (for a change) and took a piece of paper, drew a line down the middle and ordered them to each stand on one half of the paper. Though they were both on the same piece of paper, and within 11 inches of each other, neither one was able to hit or even touch the other. How is that possible?

    #1067778

    Ok, about this watch/clock…

    all the numbers from 1:01 to 9:09 are 61 minutes in between doubles.

    9:09 to 10:10 is 61

    10:10-11:11 is also 61 minutes

    but the shortest one is, if on army time: 11:11-0:00 only 49 minutes!

    and 12:12-101 is the shortest one if not on army time! Also 49 minutes!

    The longest one…. hmmm

    #1067779

    can i make a suggestion? that when u are answering or giving an answer say which 1 u are answering like 2nd page 4th from top—or at least say the question—thanx

    #1067780

    feivel
    Participant

    Eisav and Yishmael are fighting. The UN decided to stop the fighting (for a change) and took a piece of paper, drew a line down the middle and ordered them to each stand on one half of the paper. Though they were both on the same piece of paper, and within 11 inches of each other, neither one was able to hit or even touch the other. How is that possible?

    they were in separate rooms

    the paper was placed under the door and the door closed

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