Got a big brain? See if you can solve these logic riddles and answers. Few can get them all. Test your friends, family, kids and students to see if they can figure these out. Deduction, induction and inference must be in your mental tool belt to tackle these challenging and fun logic riddles with answers. Training our minds to think logically and rationally can help us not only in school and the workplace, but also in daily life. Exercise your problem solving muscles with these logical riddles. For those who need an extra challenge we’ve included a section here of very hard logic riddles. Below there’s also a collection of short logic riddles for those who prefer short and sweet. Live long and prosper!

Logic Riddles and Answers

A grandmother, two mothers and two daughters went shopping together and everyone bought one purse each. How many purses did they bring home all together?

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3 (the grandmother is also a mother; the mother is also a daughter)

If four women can bake four pies in four hours, how many pies can eight women bake in eight hours?

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16 pies

Jeff is younger than Rodney but older than Debbie. Larry is older than Erica who is older than Jeff. Rodney is older than Larry. Who is the middle child?

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Erica

Sophia was born in 1912 and died in 1990 at the age of 42. How can this be?

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Sophia was born in the hospital room 1912 and died in room 1990

You are all alone in a dark room with a match and matchbox. Nearby you have 3 objects: a candle, an oil lamp and a log of firewood. Which thing do you light first?

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The match

Love numbers? Love a challenge? Check out these math riddles

A bike rider is traveling north at 25 mph, a car passes the bike rider going north at 40 mph. At the same time the bike rider passes a jogger running north at 5 mph. Which will move away from the bike rider at a faster pace, the car or the jogger?

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The jogger, because the difference in speed is greater between the jogger and bike rider than the car and the bike rider

A hat and scarf cost a total of $1.10. The hat costs $1.00 more than the scarf. How much does the scarf cost?

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$0.05 (not $0.10)

I married your colleagues, I married your friends, I might have even married you, and I married every single girl that asks me to, yet I am still single. Who am I?

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A priest

I can be deep, I can be powerful, I can be complex, blind, difficult, and profound at the same time. What am I?

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Love

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

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Third, it is the only one not ending in “th”

A spider was given $28, an ant was given $21 and a chicken was given $7. How much money did the dog get?

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$14 ($3.50 per leg)

If you buy a rooster for the purpose of laying eggs and you hope to have two eggs every day for your breakfast, how many eggs can you expect to have after 13 days?

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Zero, roosters don’t lay eggs

You are participating in the swimming finals at the Olympics. In the final few seconds of the race you narrowly pass the swimmer who was in third place. What place did you get?

Show Answer

Third

If Noah brought 100 pairs of animals onto his ark and if a pair of babies were born for each and every one of the original animals, how many animals are left on the ark if 37 animal don’t survive?

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563 animals (100 x 2 = 200; 200 + 400 = 600; 600 – 37 = 563)

John is taller than Jason. Rebecca is taller than Jason. Sara is taller than John. Beverly is shorter than Rebecca and taller than Sara. Put all people in order of their height.

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Rebecca, Beverly, Sara, John and Jason

How many crates do you need if you have 304 pairs of shoes and each crate can hold 19 shoes?

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32 crates (608 shoes ÷ 19 = 32)

For kids and kids at heart, check out our riddles for kids

A taxi driver is going the wrong way down a one way street. He passes five policemen along the way, none of which stops him. Why not?

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Because the taxi driver was walking

If it took 4 people 8 hours to build a house, how long would it take 8 men to build the same house?

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None, the house is already built!

Amanda told Phil that she would give him $2 for each fresh-baked bagel that she gave him. Phil smiled and said he’d get to work right away. After a few hours, Phil showed up with 2000 bagels for Amanda, who was stunned. Amanda upheld her side of the bargain and gave Phil $4000. However, Phil was only able to keep $1000 for himself. What happened to the remaining $3000?

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Phil gave it to his friends who helped make the bagels

People always cover me in dirt and step on me as the run past me, yet often people come running back to me when they are in trouble. What am I?

Show Answer

A baseball base

Experiment with these fascinating science riddles

Hard Logic Riddles

hard logic riddles

If you are someone you know has an Einsteinian brain, then these hard logic riddles will truly put it to the test. Engaging in sustained, focused logical thinking is a difficult pursuit and this collection will certainly include a logic riddle or two that will strain your brain to its fullest. And if you are just so smart that you make Einstein look like a moron, then you might enjoy this collection of extremely hard riddles.

Jeffrey and Jessica were born simultaneously but have different birthdays. How is this possible?

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Both were born at the same moment but in different time zones which were far enough apart that it was a different date

If all Clobbles are Glorkins, all Flibbles are Tunkins, no Slibbles are Flibbles, and all Glorkins are Flibbles, is it true that all Flibbles are Glorkins?

Show Answer

No

I can be hot, I can be cold, I can rush, I can be still, I can be hard, I can slip through just about anything. What am I?

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Water

I am said to be only one dimensional, and as tiny as can be, some say I am the foundation of all that we see. What am I?

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A string (from String Theory)

I swing around on sticks, and use them to do my tricks, a white powder helps me to grip, and people cheer when I flip. What am I?

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A gymnast

A bag of onions weighs 175 lbs divided by 1/7th of its weight. How much does the bag of onions weigh?

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35 lbs (1/7th of 35 is 5; 175 ÷ 5)

Round and round I go never stopping in a continuous flow. I hang out with numbers each and every dayand nothing ever gets in my way. What am I?

Show Answer

The hands of a clock

What time is it? It’s time for time riddles!

Short Logic Riddles

logic riddles and answersLife is short, so why should riddles be any different? If your time is money and you don’t want to drag on and on with some of the longer riddles, then these short logic riddles are for you. Or, perhaps you want to memorize some logic puzzles riddles to test others, then shorter ones are usually the way to go. So, rev up that mental engine and let’s get going!

I have branches, yet no trunk, fruit or leaves. What am I?

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A bank

What goes up and up, but never ever comes back down?

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A person’s age

I am a horse without a body and legs, I jump but never run. What kind of horse am I?

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A chess piece (knight/horse)

I can fly, I can crawl, I have hands but no wings or legs. What am I?

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Time

A girl buys a dozen eggs and, on the way home, all but seven break. How many eggs are left unbroken?

Show Answer

Seven

You’ve reached the end! But it doesn’t have to be. Try some of these funny riddles!

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