Challenge your brain to some of the **logic riddles hard** with answers in our collection. The harder they are the more you can brag you solved them!

## Logic riddles hard

Is an older one-hundred dollar bill worth more than a newer one?

Of course it is. A $100 bill is worth more than a $1 bill (newer one).

There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?

Day and night.

Mr. Smith has two children. If the older child is a boy, what are the odds that the other child is also a boy?

50 percent.

When is homework not homework?

When it’s turned into the teacher.

A young woman is attending her mother’s funeral. While there, she meets a man she has never seen before and falls in love immediately. After the funeral she tries to find him but cannot. Several days later she kills her sister.

She killed her sister in hopes that the man would be at the funeral. Some people say this riddle is a test of a psychopath. If you answer it correctly, you could be one.

Mary gets in the shower, but surprisingly her hair is not wet when she gets out. How is this possible?

She didn’t turn the water on!

There is a chain nailed to the wall. The chain is 10 feet long and the center of the chain dips down 5 feet from where each side of the chain is nailed to the wall. How far are the 2 ends of chain from each other?

Both ends are nailed with the same nail. In order for the 10 foot chain to dip down 5 feet it must dip 5 feet down and 5 feet up, totaling the length of the chain.

In a pond there are some flowers with some bees hovering over the flowers. How many flowers and bees are there if both the following statements are true: 1. If each bee lands on a flower, one bee doesn’t get a flower. 2. If two bees share each flower there is one flower left out.

4 bees and 3 flowers.

Four jolly men sat down to play, they played all night until the break of day.

They played for cash and not for fun, with a separate score for every one.

When it came time to square accounts, they all made quite fair amounts.

Not one lost and all gained.

Now that you’ve heard, can you explain?

They played for cash and not for fun, with a separate score for every one.

When it came time to square accounts, they all made quite fair amounts.

Not one lost and all gained.

Now that you’ve heard, can you explain?

The four men are musicians getting payed to play.

Two people are born at the same moment, but they don’t have the same birthdays.

How could this be?

How could this be?

They are born in different places, in different time zones.

## Logic riddles hard 2

A man wants to buy a used car. He finds a beautiful Buick for $9500, but he buys it without paying a dime.

How did he manage this?

How did he manage this?

If he is paying $9500 he wouldn’t use any dimes to pay for it.

You are awoken at 3 A.M. by a knock on your door. Your parents call you to let you know that they are there for breakfast. You are confused but quickly think of what food you have. You have bread, jam, butter, and eggs. What do you open first?

The door for your parents.

There is a party of 100 high-powered politicians. All of them are either honest or liars. You walk in knowing two things:

– At least one of them is honest.

– If you take any two politicians, at least one of them is a liar.

From this information, can you know how many are liars and how many are honest?

– At least one of them is honest.

– If you take any two politicians, at least one of them is a liar.

From this information, can you know how many are liars and how many are honest?

One of them is honest satisfying the first piece of information. Then if you take the honest man and any other politician, the other politician must be a liar to satisfy the second piece of information, ‘If you take any two politicians, at least one of them is a liar.’ So 99 are liars.

Yes, from the information you know 1 is honest and 99 are liars.

A man was sitting on his couch and searching for the English Channel.

How did he find it?

How did he find it?

Probably a map, it is between England and France.

A cowboy rode to an inn on Friday. He stayed two nights and left on Friday. How could that be?

His horses name was Friday.

Swallowing one is fine.

Swallowing two together is fine.

But Swallow them separately and all shall fall.

What are they?

Swallowing two together is fine.

But Swallow them separately and all shall fall.

What are they?

Magnets.

How can you throw a ball 20 meters, and have it come back to you without hitting anything?

Throw it straight up.

Jack is taking a tour through a museum’s American Presidents exhibit. The person leading the tour tells him “We have a picture of each presidency. Currently Barack Obama is the 43rd person to hold the office.” But Jack quickly realizes that there are 44 pictures on the wall. But while walking through the exhibit he realizes why this is.

Why is there one too many photos?

Why is there one too many photos?

One president served non-consecutive terms (there was a president between his terms) so he held two different presidencies. The president who really did this was Grover Cleveland.

## Logic riddles hard 3

There’s a place in the world where the wind blows south then suddenly north.

Where is it?

Where is it?

The South Pole. Until it reaches the pole it is going south, then as it passes the pole it is going north.

A man is twenty years old but has only had five birthdays. How is that possible?

He was born on Leap Year Day.

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?

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?

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?

Erica

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

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?

The match

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?

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?

$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?

A priest

## Logic riddles hard 4

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

Love

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

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?

$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?

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?

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?

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.

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?

32 crates (608 shoes ÷ 19 = 32)

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?

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?

None, the house is already built!

## Logic riddles hard 5

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?

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?

A baseball base

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

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?

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?

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?

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?

A gymnast

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

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?

The hands of a clock

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

A bank

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

A person’s age

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

A chess piece (knight/horse)

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

Time

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

Seven

We hope you enjoy our collection of *logic riddles hard* with answers. Please share your favorite logic riddles hard in the comments section.

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