Logic & Riddles quiz
Logic & Riddles Mega Quiz 1: 175 Questions
The big logic & riddles pack: 175 questions from every Quizio logic & riddles quiz, easy to genius. Pick how many questions and how hard, then play solo or host it live for a class.
- 175 questions
- 41 min
- 43 Easy
- 53 Medium
- 56 Hard
- 23 Genius
Logic & Riddles Mega Quiz 1: 175 Questions: questions and answers
Try to answer first, then tap a question to see the answer.
Which vitamin does your skin make from sunlight? Vitamin D · Vitamin C · Vitamin A
Vitamin D
Which of these is a fruit, botanically? Tomato · Carrot · Potato
Tomato – It grows from a flower and holds seeds, so it's a fruit!
At what temperature does water freeze in Fahrenheit? 32 °F · 0 °F · 100 °F
32 °F
30 divided by half, plus 10 equals? 25 · 70 · 40
70 – Dividing by half is the same as times two!
Which is cheaper per egg: 6 for $3 or 12 for $5? Same price · 6 for $3 · 12 for $5
12 for $5
Which travels faster: light or sound? Sound · Same speed · Light
Light – Count seconds from flash to thunder, divide by 3: that's the km!
Who made the little black dress famous? Coco Chanel · Marilyn Monroe · Barbie
Coco Chanel
Why shouldn't you charge a phone under your pillow? It overheats · It charges slower · It breaks the screen
It overheats
In which country can tipping be seen as rude? USA · Japan · Mexico
Japan
Which element has the symbol K? Krypton · Calcium · Potassium
Potassium
What's the best way to stop a nosebleed? Lie down · Tilt head back · Lean forward
Lean forward – Tilting back makes you swallow the blood!
What can you hold without ever touching it? Your breath · A thought · A bubble
Your breath
What has to be broken before you can use it? A window · A promise · An egg
An egg
What starts with T, ends with T and has T in it? A teapot · A tunnel · A tower
A teapot
Did Viking warriors really wear horned helmets? Yes, in every battle · Only the chiefs · No, it's a myth
No, it's a myth – The horns came from 1800s opera costumes!
Which planet is not named after a god? Mars · Earth · Venus
Earth
Which of these is NOT an insect? Ant · Spider · Bee
Spider – Insects have 6 legs, spiders have 8!
Which of these is safe to eat raw? Carrot · Raw chicken · Kidney beans
Carrot – Raw kidney beans contain a toxin. Always boil them!
Which language has the most native speakers? Mandarin · Spanish · English
Mandarin
Which country is shaped like a boot? Greece · Italy · Chile
Italy
Experts say wash your hands for at least... Two minutes · Five seconds · 20 seconds
20 seconds – That's about two 'Happy Birthday' songs!
A baker's dozen is twelve.
False – It's thirteen! Bakers added one extra so they were never short.
What is full of holes but still holds water? Net · Bucket · Sponge
Sponge
All roses are flowers and all flowers need water. Do roses need water? Only red roses · Yes · No
Yes
What does ABS stop your wheels from doing? Locking up · Spinning · Overheating
Locking up
To loosen a normal screw, you turn it... To the left · Either way · To the right
To the left
What has legs but never walks? A fish · A table · A tree
A table
Where does today come before yesterday? In a dictionary · In a calendar · In a diary
In a dictionary – T for today comes before Y for yesterday, alphabetically!
Which gas do we breathe out more of than we breathe in? Oxygen · Nitrogen · Carbon dioxide
Carbon dioxide
Do goldfish really have a 3-second memory? Yes · Only babies do · No, not at all
No, not at all – Studies show they can remember things for months!
A price rises 10%, then drops 10%. Compared to the start it is... Higher · Lower · Same
Lower – 100 becomes 110, then 99!
If today is Wednesday, what day is it in 10 days? Sunday · Saturday · Friday
Saturday
What goes up but never comes down? Your age · Smoke · A balloon
Your age
What is the capital of Italy? Rome · Milan · Venice
Rome
Which is worth more: 2 quarters or 6 dimes? Same · 2 quarters · 6 dimes
6 dimes
What can you catch but never throw? A cold · A ball · A fish
A cold
Which letter is not in any US state name? Q · J · Z
Q
What gets bigger the more you take away? A pile · A hole · A shadow
A hole
Sara is taller than Tom. Tom is taller than Max. Who is the shortest? Sara · Max · Tom
Max
How many 9s are there from 1 to 100? 10 · 11 · 20
20 – Don't forget 90 to 99!
Which weighs more: a kilo of feathers or a kilo of steel? The steel · The feathers · Same weight
Same weight
A rooster lays an egg on a roof. Which way? No egg at all · Left · Right
No egg at all – Roosters are male, they don't lay eggs!
What is black when it's clean and white when it's dirty? A sock · A cat · A chalkboard
A chalkboard
Which animal has the most legs? Spider · Ant · Crab
Crab – Crabs have 10 legs counting the claws, spiders 8, ants 6.
Does premium fuel make a normal car faster? Yes, a lot · Slightly · No
No – Only engines built for high octane get any benefit!
Which is the smallest ocean? Indian · Arctic · Southern
Arctic
Which element besides mercury is liquid at room temperature? Gallium · Iodine · Bromine
Bromine – Gallium melts in your hand, but only at about 30 °C!
At most sushi places, the wasabi is really… Horseradish · Avocado · Seaweed
Horseradish – Real wasabi is rare and very expensive!
Which part of the eye controls how much light gets in? Retina · Lens · Iris
Iris
A clock loses 1 minute every hour. How far behind is it after a day? 1 minute · 60 minutes · 24 minutes
24 minutes
What belongs to you, but other people use it more? Your name · Your phone · Your bike
Your name
A car drives at 60 km/h. How far does it go in 20 minutes? 30 km · 12 km · 20 km
20 km
One shirt dries in the sun in 1 hour. How long for 5 shirts side by side? 30 minutes · 1 hour · 5 hours
1 hour
Which word is an anagram of 'LISTEN'? Lisper · Silent · Glisten
Silent
How many faces does a triangle-based pyramid have? 3 · 5 · 4
4
What is 2 + 2 × 2? 8 · 6 · 4
6
How many corners do 3 triangles and 1 square have in total? 12 · 13 · 10
13
Fold a sheet of paper in half 3 times. How many layers? 6 · 8 · 9
8
What can fill a room but takes up no space? Air · Light · Sound
Light
Which word is spelled wrong in every dictionary? Wrong · Misspelled · Dictionary
Wrong
What has cities but no houses, forests but no trees? Globe · Map · Painting
Map
You pass 5 cars, then 3 cars pass you. How many places did you gain? 8 · 5 · 2
2
How many players per team are on the ice in hockey? 6 · 5 · 11
6
Was Santa's red suit invented by Coca-Cola? Yes · No · Only in America
No – Santa wore red in drawings decades before those ads!
How should you lift a heavy box? Bend at the back · Bend your knees · Twist and lift
Bend your knees
What has hands but can't clap? A robot · A statue · A clock
A clock
Which number does NOT fit: 2, 4, 7, 8? 2 · 4 · 8 · 7
7 – Seven is the only odd number!
What is the largest organ inside your body? Liver · Lungs · Stomach
Liver
What goes through towns and fields but never moves? A river · A road · A train
A road
Pineapple pizza was invented in… Hawaii · Canada · Italy
Canada – A Greek-Canadian cook created it in Ontario in 1962!
Why is the sky blue? It reflects the ocean · Air scatters blue light · Sunlight is mostly blue
Air scatters blue light – At sunset, light crosses more air, so the blue gets scattered away!
Sony's very first prototype was a… Radio · Camera · Rice cooker
Rice cooker
How many teeth does an adult usually have, with wisdom teeth? 28 · 36 · 32
32
A day has more seconds than New York City has people.
False – A day has 86,400 seconds. NYC has over 8 million people.
Cut a rope once in the middle. How many ends now? 3 · 2 · 4
4
Which shape do bees use for honeycomb cells? Square · Circle · Hexagon
Hexagon – Hexagons hold the most honey with the least wax!
Which building has the most stories? A skyscraper · A library · A castle
A library – Get it? Stories, like in books!
Which planet has the biggest rings? Jupiter · Saturn · Uranus
Saturn
Which is heavier: a liter of water or a liter of olive oil? Olive oil · The same · Water
Water – Oil floats on water because the same amount is lighter.
What is the missing number: 2, 6, 12, 20, 30, ...? 40 · 36 · 42
42
What's the most common cause of house fires? Cooking · Candles · Lightning
Cooking
I'm tall when I'm young and short when I'm old. What am I? Tree · Candle · Pencil
Candle
Which blood cells fight infections? Red blood cells · White blood cells · Platelets
White blood cells
A dad and his son are 36 years apart. In 10 years, the gap will be... 36 years · 46 years · 26 years
36 years – Both get 10 years older, so the gap never changes.
Which part of a chili pepper is the hottest? The seeds · The tip · The white ribs
The white ribs
How many squares of any size are in a 2 by 2 grid? 4 · 6 · 5
5
A 'score' means 20.
True – So 'four score and seven years' is 87 years.
What does Wi-Fi actually stand for? Wireless Fidelity · Wireless Finder · Nothing at all
Nothing at all – A branding agency simply made up a catchy name!
How many minutes is one eighth of an hour? 7.5 · 8 · 12.5
7.5
What is the smallest country in South America? Suriname · Uruguay · Ecuador
Suriname
Which is longer: 1 mile or 1 kilometer? 1 mile · 1 kilometer · Same
1 mile
You see lightning while swimming. What do you do? Dive under · Get out now · Keep swimming
Get out now
What makes popcorn pop? Water turning to steam · Air inside the kernel · Oil soaking in
Water turning to steam
Where does bread stay fresh the longest? Fridge · Freezer · Counter
Freezer – The fridge actually makes bread go stale faster!
A clock shows 9:00. What time will it show 25 hours later? 10:00 · 9:25 · 8:00
10:00
What did the first ever text message say? Hello world · Merry Christmas · Call me
Merry Christmas – It was sent from a computer to a phone in 1992!
How can you drop a raw egg on concrete without cracking it? Drop it gently · Concrete won't crack · Use a boiled egg
Concrete won't crack
A fair coin lands heads 3 times. What's the chance the 4th flip is heads? 50% · 25% · Higher
50%
Why do onions make you cry? They release a sulfur gas · Their juice is acidic · Their smell is too strong
They release a sulfur gas – Chill onions first and they release much less of it!
Which is heavier: a liter of milk or a liter of water? Milk · Water · Same
Milk
Apple's very first logo showed… A rainbow apple · Isaac Newton · A computer
Isaac Newton
What was Kirby's original working name? Puffball · Popopo · Pinky
Popopo
What is the hardest natural mineral after diamond? Corundum · Quartz · Topaz
Corundum
Why does ice float on water? Air bubbles inside · It's less dense than water · Cold things rise
It's less dense than water
Which ocean is the deepest? Atlantic · Pacific · Indian
Pacific
How many times would you need to fold paper to reach the Moon? About 42 · About 420 · About 4 million
About 42
How many zeros are at the end of 10 × 9 × 8 × ... × 1? 1 · 10 · 2
2 – It's 3,628,800: the 10 and the 5 × 2 make two zeros.
Which is bigger: 3 × 0 + 3 or 3 + 0 × 3? The same · 3 × 0 + 3 · 3 + 0 × 3
The same – Multiply first: both are 0 + 3 = 3.
The first computer bug was a real… Moth · Beetle · Spider
Moth – It was taped into a logbook in 1947!
What's the smallest number divisible by 2, 3, 4, 5 and 6? 120 · 60 · 30
60
Your tank is a quarter full. You use half of that. How full is it? One eighth · One quarter · Half
One eighth
Why do bridges freeze before roads? Less traffic · Cold air below it · Shade from trees
Cold air below it – Cold air chills them from above AND below!
What is H2O better known as? Water · Hydrogen gas · Salt
Water
Which planet is the hottest? Venus · Mercury · Mars
Venus – Its thick clouds trap heat, so it beats Mercury!
Which is longer: a marathon or 100 laps of a 400 m track? The marathon · 100 laps · The same
The marathon – 100 laps is 40 km. A marathon is 42.2 km.
There are more ways to line up 14 books than people on Earth.
True – 14 books can stand in about 87 billion different orders.
The 'carrots help you see in the dark' myth came from… Ancient Rome · WWII propaganda · A cartoon
WWII propaganda – Britain used it to hide its new radar technology!
What does GT in car names stand for? Gran Turismo · Great Torque · Go Turbo
Gran Turismo
A man pushes his car to a hotel and must pay the owner. Why? He crashed · He's playing Monopoly · The hotel towed it
He's playing Monopoly
Nail polish first appeared in which country around 3000 BC? Egypt · India · China
China
Before lighting a dark room's candle, lamp and fireplace, what do you light first? The candle · The fireplace · The match
The match
Two trains 100 km apart drive toward each other at 50 km/h. When do they meet? 30 minutes · 1 hour · 2 hours
1 hour
Mazda is famous for which unusual engine? Rotary · Diesel V12 · Steam
Rotary
How many bones does a shark have? 0 · 100 · 300
0
A doctor's brother died, but he had no brother. How? The doctor is his sister · It's a lie · They were cousins
The doctor is his sister
Peanuts aren't really nuts. What are they? Legumes · Seeds · Berries
Legumes
How many 3-digit numbers are there? 900 · 999 · 1,000
900 – From 100 to 999: that's 900 numbers.
The angles inside a pentagon add up to... 540° · 360° · 720°
540° – Split it into 3 triangles: 3 × 180° = 540°.
In car diagnostics, OBD stands for… Oil Burn Detector · On-Board Diagnostics · Optical Brake Data
On-Board Diagnostics
Two fathers and two sons catch 3 fish, one each. How? One fish got away · Grandpa, dad and son · They shared
Grandpa, dad and son
What are the odds of rolling a 6 twice in a row? 1 in 36 · 1 in 12 · 1 in 6
1 in 36 – 1/6 × 1/6 = 1/36.
A shop open 24/7 is open how many hours a week? 148 · 168 · 196
168
How many sides does a hexagon have? 5 · 6 · 8
6
What is 1/2 + 1/3? 5/6 · 2/5 · 2/3
5/6
How many squares of any size are on a tic-tac-toe grid? 9 · 10 · 14
14
What is 0.1 plus 0.2 times 10? 3 · 2.1 · 0.9
2.1
What do bees make? Honey · Milk · Silk
Honey
Which fruit floats because it's about 25% air? Apple · Banana · Grape
Apple
3 people dig 3 holes in 3 days. How long does 1 person take for 1 hole? 1 day · 3 days · 9 days
3 days
A bus has 30 people. 8 get off, 5 get on. How many stops so far? 1 · 2 · Not enough info
1
What is the average of all whole numbers from 1 to 99? 49.5 · 45 · 50
50
About how long is one billion seconds? 32 years · 3 years · 11 days
32 years
A leap year can have 53 Sundays.
True
Which number is both a perfect square and a perfect cube? 16 · 64 · 27
64
Written the US way (no 'and'), 1 to 999 never uses the letter 'a'.
True – One, two ... nine hundred ninety-nine. 'A' first shows up in 'thousand'.
China banned game consoles from 2000 until… 2005 · 2015 · 2022
2015
What does DNA stand for? Dinucleic amino acid · Deoxyribonucleic acid · Deoxynitric acid
Deoxyribonucleic acid
How many players are on a rugby union team? 15 · 13 · 11
15
How many bones are in one human hand and wrist? 27 · 19 · 35
27
Which country has the most pyramids? Egypt · Mexico · Sudan
Sudan – Sudan has over 200, more than Egypt!
What can't talk but answers when you speak to it? An echo · A parrot · A robot
An echo
Which is more: 30% of 50 or 50% of 30? 30% of 50 · 50% of 30 · Same
Same – x% of y always equals y% of x!
What comes next: J, F, M, A, M, J, J...? S · A · J
A – They're the first letters of the months. August is next!
At what height does space officially begin? 100 km · 10 km · 1,000 km
100 km – It's called the Kármán line!
Which word sounds the same after you remove four of its five letters? Queue · Eight · Aisle
Queue – Queue without u, e, u, e is just Q, and it sounds the same!
What is 111,111,111 × 111,111,111? 12345678987654321 · 11111111111111111 · 123456789
12345678987654321
What comes next: 1, 4, 9, 16...? 20 · 25 · 32
25 – They are square numbers: one times one, two times two... so next is five times five, twenty-five!
What goes up a chimney down, but can't go down a chimney up? Smoke · A broom · An umbrella
An umbrella
Which continent has no active volcano? Australia · Europe · Africa
Australia
You have 10 socks of 2 colors in a dark drawer. Grab how many to surely get a pair? 10 · 2 · 3
3 – With 2 colors, the 3rd sock must match one!
What disappears as soon as you say its name? A secret · Silence · A ghost
Silence
Game show: you pick a door, the host opens a goat door. Switch? It makes no difference · No, stick with yours · Yes, it doubles your odds
Yes, it doubles your odds – Switching wins 2 times out of 3!
Fewest US coins (1¢, 5¢, 10¢, 25¢) to make 41 cents? 4 · 5 · 3
4 – 25 + 10 + 5 + 1 = 41.
Which animal can live the longest? Greenland shark · Giant tortoise · Bowhead whale
Greenland shark – One was estimated at around 400 years old!
Which gas makes up about 1% of the air? Neon · Argon · Helium
Argon – There's about 20 times more argon than carbon dioxide!
In 12 hours, how many times do a clock's hour and minute hands overlap? 10 · 11 · 12
11 – They overlap 11 times, not 12!
Ann is twice Ben's age. In 5 years their ages add up to 40. Ben's age now? 10 · 15 · 20
10 – Now 20 and 10. In 5 years: 25 + 15 = 40.
Which ancient civilization first treated zero as a number? Ancient Greece · Ancient India · Ancient Rome
Ancient India – Brahmagupta wrote rules for zero around 628 AD!
Which planet has the fastest winds? Jupiter · Saturn · Neptune
Neptune – Over 2,000 km/h, faster than the speed of sound on Earth!
Trains 300 km apart close in at 150 km/h. A 150 km/h bird shuttles between. How far? 300 km · 450 km · 600 km
300 km – They meet after 2 hours, so the bird flies 2 times 150 km!
23 people in a room: chance two share a birthday? About 6% · About 50% · About 23%
About 50% – With 70 people it's over 99%!
The more there is, the less you see. What is it? Darkness · Fog · Smoke
Darkness – Fog works too in real life, but darkness is the classic answer!
A hen and a half lays an egg and a half in a day and a half. One hen in 3 days? 2 · 3 · 4.5
2 – One hen lays two thirds of an egg a day!
Samsung started out in 1938 selling… Radios · Dried fish and noodles · Cars
Dried fish and noodles
What has keys, space and enter, but no door? Keyboard · Spaceship · Castle
Keyboard