space

Forum Post Space battle problem
Hello, All! Suppose deep in the Outer Space there is a brood (flight? swarm? horde?) of space ships, each equipped with laser gun, controlled by robots and suspecting each other. Suddenly the new ...
Forum Post Help with probability puzzles
...ntary probability for statisticians the first and most important concept you teach is that of the sample space, that is all possible outcomes for an experiment, and that the probability of the sample ...
Forum Post HOROBOD and all that
[spoiler space] Tiptoe through the tulips
Forum Post harder fork in road puzzle
Apologies to all for not using a spoiler space...
Forum Post Help with a message
I have a message from a newspaper report, I have been trying to read. It is in code but I cannot figure any of it out. Can anyone offer any hint or advice please ? Message is below:- YMAUVZTPFZIPCZKDX...
Forum Post Picture Puzzle Board size?
Four times the area of the completed puzzle is often cited as sufficient working space.
Forum Post Competition Puzzle - Tricks with Time
Original puzzle as spoiler space 9) 6:07
Forum Post Statues, Snakes, Spies and SUbmarines....oh, and a question.
SPOILER SPACE: Apple? Cheers,
Forum Post What is the next number in the sequence?
(skip spoiler space) 12,345,867
Forum Post a household word
spoiler space the only one I can think of is pence. Wasn't (isn't) that abbreviated d.?
Forum Post No Springs--Honest Weight (Speed question)
PROPOSER'S ANSWER: [Spoiler space] The slogan should be 'No Springs
Forum Post Fibonacci geometric series
Spoiler space. 5 4 3 2 1 S[n] = 2 - F[n+3]/2^n This is easily shown by induction, with the observation that S[n] = 1/2 + S[n-1]/2 + S[n-2]/4 for n > 2.
Forum Post Distance on a Chess Board
EnteractAfter.com> writes It is not possible in Euclidean space. To prove this, consider a 3x3 chessboard.
Forum Post Sort 5 numbers in 7 comparisons? It cant be!
Whoops, forgot to add spoiler space to my original reply. There are 5! = 120 permutations, and 7 comparisons give you 2^7 = 128 bins, so in theory it's possible. I include one of several ...
Forum Post Minimum possible number at Jacks party
The original problem is retained as spoiler space. I presume you mean legal in the Christian world
Forum Post Puzzles about 2001
I give one way to make 'NEW MILLENNIUM = 2001' and 'SPACE ODYSSEY = 2001' below. Carl G. NEW MILLENNIUM = 2001 14 * 5 * 23 + 13 / 9 * 12 * 12 + 5 + 14 + 14 - 9 + 21 / 13 = ...
Forum Post Rooms without a view.
...have a large number of unit cubes (regular hexahedrons). You use the cubes to totally enclose volumes of space ('rooms' . For example, six cubes can totally enclose a cubical volume of space ...
Forum Post easy one on leap years
<Snip all except spoiler space> M O R E S P O I L E R S P A C E An Isaac Asimov 'Black Widowers' tale called (I think) 'The year of the action' which hinged o...
Forum Post Draw the figure without lifting your pen.
[spoiler space] Oops; that should be 2640. By 20, not 10, since there are ten (not five) starting points in each circuit and we can traverse the circuit in two directions.
Forum Post A new quiz
Lead-in kept as spoiler space. evolution revolution gastronomy astronomy ordnance ordinance latitude platitude (out of order) resident president roadside broadside slaughter laughter vindication i...
Forum Post Almanac numbers
I don't suppose this is much of a spoiler, so I'll avoid the spoiler space. Check out your friendly math textbook (or your friendly search engine) for something called 'Benford's L...
Forum Post A quick puzzle a young friend gave me...
Initial puzzle as spoiler space, except I've added the 'T' to group 1 that was posted separately. The spoiler is really down there, though. Well, it must be the ones who started...
Forum Post A weird telephone alphabet
... as in use G as in force H as in chew I as in socket J as in nest K as in owe L as in 'ades M as in space N as in 'ouse O as in bankrupt P as in soup Q as in pool R as in pirate S as in cent...
Forum Post Three Strikes and Youre Out
SPOILER SPACE 40 35 30 25 20 15 10 9 8 7 6 5 4 3 2 Start at 4. (If the number you start at is counted 'one', start at 1 instead.) Parentheses indicate that number...
Forum Post The Hat Problem
[partial spoiler space] Your proof sketch seems good, but you need to rule out the possibility of a probabilistic strategy (e.g. someone guessing red with probability 0<p<1 if everyone else ...
Forum Post Math Puzzle
thread as spoiler space The first two solutions are obvious: Two lines extending from the origin at 45 deg from each other. Nested shapes scaled sqrt(2) apart (the potatoes) The last o...
Forum Post Sliding Tile Puzzles
... The puzzle where you simply try and arange the tiles in numbered order in a 3X3 grid with one vacant space. 1 2 3 4 5 6 8 7 My problem is that I'm trying to swap the position of the 7...
Forum Post What are the correct words that go together here?
Cute. Answer and explanation follow, with spoiler space in between. - s p o i l e r . s p a c e - bastion -> strong burn -> goal c...
Forum Post cubes problem
... Or since p/q = 6^3*p*q^2 / 6^3*q^3, = 6*(36*p*q^2) / (6*q)^3 from the formula above the spoiler space p/q = ((36*p*q^2 + 1) / 6*q)^3 + (-36*p*q^2) / 6*q)^3 + (-36*p*q^2) / 6*q)^3 + ((36*p...
Forum Post Number of Apples
<spoilier space> N the number of apples before addition of 2 P price per dozen Original purchase. N/12 * P = 48 So P = 12 * 48 / N With extra 2 purchase. (N+2)/12 * (P-4) = 4...
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