It is your task to determine how high you can drop a billiard ball without it breaking. There is a 100 story building and you must determine which is the highest floor you can drop a ball from without it breaking. You have only two billiard balls to use as test objects. If both of them break before you determine the answer then you have failed at your task. What is the order of floors that you should drop the balls from to minimize the number of droppings that you will have to make to determine the answer?
Assume that if a ball doesn't break you can reuse it without worrying about it being weakened.View full teaser and answer
We’re continuing to follow our game with our second position. This is how the game went from move one: 1.d4 f5 2.c4 Nf6 3.Nc3 e6 4.Nf3 d5 5.e3 c6 6.Bd3 Bd6 7.0–0 0–0 8.Ne2 Nbd7 9.Ng5 Bxh2+ 10.Kh1 Ng4 11.f4 Qe8 12.g3 Qh5 13.Kg2. How do you continue your attack as Black?View solution
A canal in UK has 13 locks and no water supply at the top. Each lock loses 7000 L of water when used. A truck, capable of carrying 22 tons of water, is rented to bring water from the bottom to the top.
Is the contract reasonable?View full teaser and answer
We’re going to do something for the next week that we’ve done once before: go through an entire game in stages. With puzzles you only get a snapshot of the end of the game. With this weeklong game you get to solve the decisions that had to be made to get to the final puzzle and concluding mating attack. Here were the first nine moves that ...View solution
MADADIA has been chosen to host the latest United Nations Kebab Annual Liaisons (U.N.K.A.L). Madadia's mayoress, Madka Owdiseez, has invited several wives of delegates of UNKAL for an informal luncheon. She plans to seat her 9 guests in a row such that each lady will be able to converse with the person directly to her left and right. She has prepared the following list.
Mrs. F speaks English only.
Mrs. G speaks English and French.
Mrs. H speaks English and Russian.
Mrs. J speaks Russian only.
Mrs. K speaks English only.
Mrs. L speaks French only.
Mrs. M speaks French and German.
Mrs. N speaks English and German.
Mrs. O speaks English only. ...
It’s Mate in Two Monday. I might have saved this for a Weird Wednesday.View solution
The five businessmen in question represented different companies at a recent trade fair. Unfortunately, the hotel they were all due to stay in had accidentally double booked their rooms. They tried other hotels in the area, but all were fully booked. Consequently, they all agreed to share the only two rooms available in the hotel - one twin and one triple.
From the clues, can you work out each man's name, company and official title?
1. When the five men realized their dilemma, they drew straws to see who would share with whom. The outcome for four of them was that the CEO shared with the businessman from ABM Inc. and Edgar shared with the Developer.
2. Alan does not work for...
One day, an eccentric billionaire decided to give a destitute man a break. But not a total break, as we shall see. So, he invites him into a room in his mansion with seven doors. There is also a large-screen projector that projects the following five images, repeatedly, one at a time:
A human brain, Earth, the incomplete phrase: 'Fair and ____,' the letters AZCONMUT and a cheese sandwich on plain white bread with the edges perfectly cut off.
The poor man was allowed an entire day to study the images, after which he would have to choose the door that corresponded to the commonality of the images. The next day the man walked through the correct door, and the billionaire made him rich. ...View full teaser and answer
There is an island with 10 inhabitants. One day a monster comes and says that he intends to eat every one of them but will give them a chance to survive in the following way:
In the morning, the monster will line up all the people - single file so that the last person sees the remaining 9, the next person sees the remaining 8, and so on until the first person that obviously sees no one in front of himself. The monster will then place black or white hats on their heads randomly (they can be all white, all black or any combination thereof).
The monster will offer each person starting with the last one (who sees everyone else's hats) to guess the color of his/her own ...View full teaser and answer
I’m sure everybody that reads this column can mate a lone king with a king and two rooks. Can you do it in three moves from this position?View solution
You roll five dice. The computer calculates the score. Your job is to find out what the computer based the score on.
If you roll 5, 4, 6, 3, and 5, the score is 10.
If you roll 1, 3, 3, 4, and 2, the score is 4.
If you roll 1, 6, 2, 6, and 4,the score is 0.
What is the method?View full teaser and answer
Einstein's Riddle: Einstein wrote the following riddle. He said that 98% of the world could not solve it. But several NIEHS scientists were able to solve it, and they said its not all that hard if you pay attention and are very patient. Give it a try:
There are 5 houses in 5 different colors in a row. In each house lives a person with a different nationality. The 5 owners drink a certain type of beverage, smoke a certain brand of cigar, and keep a certain pet. No owners have the same pet, smoke the same brand of cigar, or drink the same beverage. Other facts:
1. The Brit lives in the red house.
2. The Swede keeps dogs as pets.
3. The Dane drinks tea.
4. The green house...
Each sentence below contains a word that can be anagrammed to answer or describe the sentence.
Example: Craft that might tip in the ocean. Answer: Canoe (Anagram of ocean)
1. Bit of brush
2. Opposite of unite
3. Writings of a steno
4. They affix without paste
5. Having less reason for fears
6. Animal that may need a shoer
Can you figure out which well-known oxymorons these words translate to?
Ex) Initial facsimile = original copy
1) Latest ritual
2) Average huge
3) Juvenile grown-up
4) Factual deceptions
5) Unwell fitness
This composition is amusing because Black gets more checks and ends up with more material, but still gets mated in six.View solution
These word pairs are not in relation to each other, but if you find their synonyms, the two words will rhyme.
Example : Over-sized Feline = Fat Cat
Below is a (very) short story with 10 capitalized words or phrases which are anagrams of words that all fit in a certain category. Can you find the anagrams and determine the category?
NOTE: One of the answers contains two words.
A recently PAROLED man named Ari was going to ROB A PEARL boat of all of its FIG FARE. The boat was just off of the SHORE. He put on his BALM and donned his TOGA to SNEAK aboard. ARI GOT ALL of the NEAT HELP he needed from a safety pin that kept his toga IN PLACE.View full teaser and answer
Find the correct words that fit with the following words:
Example: Air PORT Wine
1. Birth _ _ _ Light
2. Knock _ _ _ Line
3. Rock _ _ _ _ _ Bar
Black played one move here and White resigned. What was that move?View solution
Six words have had their weapons removed. The weapons have been placed into Group A. The remaining letters of each word have been placed into Group B. Your task is to reconstitute the words by merging each weapon with the proper set of letters. Other than merging the two groups together, there is no rearranging of the letters. Example: sand + pne = spanned (SpANneD).
Group A: bomb, gun, mace, rifle, saber, spear
Group B: ainale, ltto, niur, tiliz, toiat, urntual