Logic Puzzles
Riddle: I trap warmth, Spray forth ice and water, and slip through your fingers with ease What am I?
Answer: Clouds.
Riddle: I am the center of gravity, hold a capital situation in Vienna, and as I am foremost in every victory, am allowed by all to be invaluable. Though I am invisible, I am clearly seen in the midst of a river. I could name three who are in love with me and have three associates in vice. It is vain that you seek me for I have long been in heaven yet even now lie embalmed in the grave. What am I?
Answer: The letter V.
Riddle: I can be shouted to claim, dug for riches, or buried to maim, three meanings packed in one short word. What am I?
Answer: Mine.   “Mine” carries three distinct meanings that match each clue: Shouted to claim: someone yells “Mine!” to assert ownership. Dug for riches: a mine is a place where minerals, coal, or gems are extracted. Buried to maim: a land mine is an explosive device concealed underground. The riddle packs these homonyms into one word, making “mine” the perfect answer.
Riddle: With a little detective work and deep thought, the following facts can make an accurate statement. 11 is a racehorse 12 is 12 1111 race 12112. Can you figure it out?
Answer: 11 is a racehorse 12 is one too 11 won one race 12 won one too
Riddle: An apple costs 5¢, a banana costs 6¢, and a pear costs 4¢. How much would a strawberry cost?
Answer: A strawberry would cost 10¢ because for each letter needed to spell out the name of the fruit, you would pay 1¢.
Riddle: How high would you have to count before you would use the letter A in the English language spelling of a whole number?
Answer: One thousand.
Riddle: There is a lamp inside a photography darkroom. When the darkroom door is closed, it is impossible to tell from outside the room whether or not the lamp is on. There are two switches outside the door of the darkroom. One or both of the switches may control the lamp. It also could be that neither of the switches controls the lamp. All you know is that the light bulb is currently off and that the lamp and bulb are in working condition. The darkroom door is closed and once you open the door you cannot touch either of the switches. If you can only open the dark room door one time, how can you tell which switches, if any, control the lamp?
Answer: Turn the first switch on and leave it on for ten minutes. After ten minutes, turn that switch off and turn the second switch on. Open the darkroom door, and lightly (in case it is hot) touch the bulb. If the lamp is on, and the bulb is quite hot, both switches work the lamp. If the lamp is on, and the bulb is cool, the second switch controls the lamp. If the lamp is off, and the bulb is hot, switch one controls the lamp. If the lamp is off, and the bulb is cool, neither switch controls the lamp.
Riddle: Ronald is a chef. He is going to cook a meal. He has three stoves in front of him-a gas stove, a wood stove, and a coal stove–but he only has one match. What should Ronald light first?
Answer: Ronald should light the match first because the match needs to be lit up before he can light up anything else. After all, I never said that the match was lit in the first place!
Riddle: I hold countless voices that never speak, countless journeys that never move, and ask for quiet to share them all. What am I?
Answer: Library. "I hold countless voices that never speak": This refers to the vast number of books in a library. Each book contains the "voice" (ideas, stories, knowledge) of its author, but the physical book itself is silent. "countless journeys that never move": Books describe "journeys" (adventures, travelogues, fictional quests), but the books remain stationary on the shelves. The reader takes the journey through their imagination. "and ask for quiet to share them all": Libraries traditionally require a quiet atmosphere so that patrons can read, study, and focus on the material within the books without distraction.
Riddle: An excess of individuals skilled in the preparation of edibles impairs the quality of this soup. What is the proverb?
Answer: Too many cooks spoil the broth.
Riddle: Does Brittain have a 4th of July?
Answer: Yes, it also have July 1, 2, 3, 5 and so on.
Riddle: Under no circumstances compute the number of your barnyard fowl previous to their incubation. What is the proverb?
Answer: Do not count your chickens before they hatch.
Riddle: Walker has to unlock his locker to get his uniform and get dressed for his basketball game. However, his lock requires a three-digit code to be unlocked. Walker doesn't know the exact code, but here are some clues. A) 8-6-5 One number is correct and in the right position. B) 8-4-0 One number is correct but in the wrong position. C) 3-5-0 Two numbers are correct but in the wrong positions. D) 3-6-9 Nothing is correct. E) 7-6-9 One number is correct but in the wrong position. What is the code?
Answer: The code is 0-7-5. Starting with Clue D, we can eliminate 3, 6, and 9, and all instances of those numbers, because none of them are in the final code. 8 cannot be in the final code because Clues A and B would contradict each other if it was in the code. This means that 5 is in the code, and it takes the third position; we can therefore eliminate 4, too. From Clue C, we can conclude that 5 and 0 are part of the code, because 3 is not (we already eliminated it based on Clue D). And based on Clue E, the last digit we need is 7, because we already eliminated 6 and 9 based on Clue D. We do not know the positions of 0 and 7, however, but we know that 5 takes the third position, which leaves us with just two options for the code: either 7-0-5 or 0-7-5. 7-0-5 cannot be the code because it would contradict Clue E since 7 cannot go in the first position; it can only go in the second position, while 0 goes in the first position. This means that the correct code is 0-7-5.
Riddle: Someone's grandfather was born in 50 BCE. How old was this man in 25 CE?
Answer: This man was 74 years old. There was no year 0; after 1 BCE, there was 1 CE.
Riddle: A green apple costs $1, a red apple costs $2, and a blue apple costs $3. If you have $3, but only two bills, what apples can you buy?
Answer: There are two solutions; you can either buy one green apple and one red apple using a $1 and a $2 (yes, $2 bills are a thing), or you can buy three green apples using the same two bills. You could have bought one blue apple using those bills, but blue apples don't exist!
Riddle: You have two coins, and their total value is 11¢. One of the coins is not a penny. What are the two coins?
Answer: The two coins are a dime and a penny. I said "ONE of the coins is not a penny"; if one of the coins is not a penny, then the other coin IS a penny. The coin that is not a penny has to be a dime because the total value should be 11¢.
Riddle: With thieves I consort, With the vilest, in short, I'm quite at ease in depravity; Yet all divines use me, And savants can't lose me, For I am the center of gravity. Who am I?
Answer: The letter V.
Riddle: A feathered Biped in the terminal part of the arm equals in value a pair of feathered bipeds in densely branched shrubbery. What is the proverb?
Answer:  A bird in the hand is worth two in the bush.
Riddle: Imagine that you have three eggs. Now, I give you four eggs. And your rooster lays two more eggs. How many eggs do you have now?
Answer: You have four eggs–the ones I gave you. Those three eggs from the start don't count because they're imaginary (IMAGINE that you have three eggs). And those two eggs your rooster lays don't count either because roosters don't lay eggs.
Riddle: There are 10 fish in my fish tank. Suddenly, two of them drown, three of them swim away, and four of them die. How many fish are left in the tank?
Answer: There are still 10 fish left. For one thing, fish can't drown. Plus, none of the fish could have swam away because they're still in the tank.