GeekDad Puzzle of the Week – Excessive Sums
How many positive integers less than 1,000,000 cannot be written as the sum of exactly two Excessive Numbers?
Continue ReadingHow many positive integers less than 1,000,000 cannot be written as the sum of exactly two Excessive Numbers?
Continue ReadingHow distinct ways can 8 queens be put on a chessboard without any being able to take another? Can it even be done? Will the $50 ThinkGeek gift certificate be yours?
Continue ReadingThis week’s GeekDad Puzzle of the Week: How many numbers under 10 million do not have “squared roots?”
Continue ReadingJust how many cones can my local ice creamery make? Find out in the solution to this week’s GeekDad Puzzle of the Week!
Continue ReadingGiven some simple rules around flavors (i.e., no mixing fruit flavors!) just how many distinct cones could be made by our local ice creamery?
Continue ReadingCan you determine which famous rivers have been disemvoweled? If so, a ThinKGeek gift certificate could be yours!
Continue ReadingDid you find a set of triplets that let me and 14 other parents park in three parking spots over 7 days, and have no one meet the same parent twice?
Continue ReadingEncoded in this set of Presidential Portraits is a quote from a relatively recent past President. Can you decipher it and find its source?
Continue ReadingIs it possible for me and 14 other parents to park in three parking spots over 7 days, and have no one meet the same parent twice? How so? If not, why not?
Continue ReadingCan you find the largest and smallest value of the function listed with strips of digits pulled from the grid?
Continue ReadingDid you calculate the number of distinct capacitance values that can be created using up to 10 identical 60 µF capacitors?
Continue ReadingHow many distinct capacitance values can you configure with 10 identical 60µF capacitors?
Continue ReadingWere you able to determine how each State ranked along the various continuum? Did you solve this week’s stately cypher?
Continue ReadingCan you solve the State based cypher? Look at each State flag and determine where they rank along various continuum, and decode my favorite state to win!
Continue ReadingWere you able to put the Bacon-related movie titles and co-star names back together?
Continue ReadingCan you reconstitute the vowels in these Bacon-related movies and co-stars? If so, then this week’s $50 ThinkGeek Gift Certificate may be yours!
Continue ReadingWhat is the benefit of going first in a random tic-tac-toe game? Does it change if you can “aim” and increase your odds for the center square?
Continue ReadingThis past puzzle as previously posted: Crossword puzzles are fun, but they can be found in most any newspaper. CrossNumber puzzles are not only more fun, but are found almost exclusively here on GeekDad! Clues: Across 0. Bond 2. length of Marianas (km) 4. 1Z (Base 36) 6. Cr 8. PMs in Oman or Yemen […]
Continue ReadingDo you have the geek culture, math, pop culture, and history chops to solve our latest CrossNumber puzzle?
Continue ReadingHow many sets of four primes are there with 3 or fewer digits that can be selected pairwise in any combination to be stuck together in either order and always make a new prime?
Continue ReadingFrom the clues given, can you determine which favorites each child had at the State Fair?
Continue ReadingCan ye determine how much the found pirate booty was fetchin’, and how much each buccaneer hauled home?
Continue ReadingWere you able to correctly combine the bigrams and trigrams to create words and names relevant to the season?
Continue ReadingCan you concatenate these two-letter and three-letter combinations to create terms related to a very recent annual event?
Continue ReadingHow many distinct ways can we grid off our 12″ x 120″ backsplash? As always, please feel free round to the nearest quadrillion…
Continue ReadingHow many distinct right triangles can you make on a mostly complete grid of 21 x 16 nails with integer lengths of string?
Continue ReadingWhat are the largest palindromic products of the appropriate set of digit-sizes for each of three, four, and five-digit numbers?
Continue ReadingDid your entry for the most prime-producing polynomial produce? Check here to see if the $50 ThinkGeek gift certificate is yours!
Continue ReadingWhich polynomial of the form an^2 + bn + c with a=1 produces the most primes over the early natural numbers? Send in your answer for a shot at this week’s $50 ThinkGeek Gift Certificate!
Continue ReadingDid you correctly identify the longest Collatz length run under under 10 million? Is this week’s $50 ThinkGeek Gift Certificate coming your way?
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