Logic & Riddles quiz
Logic & Riddles Mega Quiz 2: 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
- 42 Easy
- 53 Medium
- 57 Hard
- 23 Genius
Logic & Riddles Mega Quiz 2: 175 Questions: questions and answers
Try to answer first, then tap a question to see the answer.
What has words but never speaks? A radio · A book · A parrot
A book
Which of these floats in water? Apple · Stone · Spoon
Apple
Which number is the odd one out: 2, 4, 6, 9, 10? 2 · 10 · 9
9
What has many teeth but can't bite? Zipper · Saw · Comb
Comb
Sam is 5th from the front and 5th from the back. How many in line? 9 · 10 · 11
9 – Sam is counted from both ends, so it's 4 + Sam + 4.
What is half of half of 200? 100 · 25 · 50
50
A dozen dozens is 144.
True
How many minutes are in a full day? 1,240 · 1,440 · 2,400
1,440
What's heavier: 1 kg of feathers or bricks? Bricks · Feathers · Same
Same – A kilo is a kilo. They weigh exactly the same!
Which is more: 6 dozen or 70? 6 dozen · 70 · The same
6 dozen – 6 dozen is 72.
Double a number and add 6 to get 20. What is the number? 10 · 13 · 7
7
How many strings does a violin have? 4 · 5 · 6
4
How many sides does a stop sign have? 6 · 8 · 10
8
What comes next: A, C, E, G, ...? J · I · H
I – Skip one letter each time!
Which word can you type with only the top keyboard row? Keyboard · Typewriter · Computer
Typewriter
In which year did the first iPhone come out? 2004 · 2007 · 2010
2007
What comes next: 3, 6, 12, 24, ...? 36 · 30 · 48
48
Which company makes the PlayStation? Nintendo · Microsoft · Sony
Sony – It started as a CD add-on for a Nintendo console!
Which of these should never go in a microwave? Paper plate · Glass bowl · Metal fork
Metal fork – Metal edges can spark and even start a fire!
Which of these shapes has the most sides? Octagon · Hexagon · Pentagon
Octagon – Octo = 8, hexa = 6, penta = 5.
A recipe for 4 people needs 2 eggs. How many for 8 people? 6 · 3 · 4
4
What has a head and a tail but no body? A snake · A comet · A coin
A coin – Coins have 'heads' because the front often showed a ruler's head!
Which country eats the most chocolate per person? Belgium · Switzerland · USA
Switzerland
What's the next letter: A, C, E, G, ...? H · J · I
I
What should you do if a pan of oil catches fire? Cover it with a lid · Pour water on it · Carry it outside
Cover it with a lid – Water makes burning oil explode into a fireball!
Does shaving make hair grow back thicker? Yes · No · Only on legs
No – It only feels coarser because the cut tip is blunt!
What goes up and down but never moves? An elevator · Stairs · A yo-yo
Stairs
What can travel the world while staying in a corner? A spider · A globe · A stamp
A stamp – The first stamp, the Penny Black, came out in 1840!
What kind of room has no doors or windows? A classroom · A bathroom · A mushroom
A mushroom
What is the chemical symbol for tungsten? W · Tu · Tg
W – W comes from its other name, wolfram!
Who painted the Sistine Chapel ceiling? Leonardo da Vinci · Raphael · Michelangelo
Michelangelo
A compass needle points toward Earth's… Equator · Magnetic north · Nearest ocean
Magnetic north
What should you do if your clothes catch fire? Stop, drop, roll · Fan the flames · Run to find water
Stop, drop, roll
What day is 3 days after Friday? Tuesday · Sunday · Monday
Monday
Which number is spelled in alphabetical order? Forty · Eighty · Fifty
Forty – F-O-R-T-Y: every letter comes after the one before!
What has one eye but can't see? A needle · A potato · A storm
A needle
3 pens cost $2. How much do 12 pens cost? $6 · $8 · $24
$8
Which organ uses about 20% of your energy? Heart · Brain · Liver
Brain – It's only about 2% of your body weight!
Which one doesn't belong: apple, banana, carrot, grape? Apple · Grape · Carrot
Carrot
Which organ filters your blood and makes urine? Kidneys · Lungs · Liver
Kidneys
How many legs does a spider have? 6 · 8 · 10
8
How many times can you take 5 from 25? Five times · Once · Four times
Once – After the first time, it's 20, not 25!
What is the square root of 144? 14 · 12 · 11
12
What's safest for a small electrical fire? Wet towel · Water bucket · Extinguisher
Extinguisher – Water carries electricity, never use it here!
What comes next: 1, 2, 4, 7, 11, ...? 18 · 16 · 15
16
Which metal conducts electricity best? Copper · Gold · Silver
Silver – Copper is used in wires because it's almost as good and far cheaper!
Drop me and I crack. Smile at me and I smile back. Egg · Plate · Mirror
Mirror
A ship's rope ladder has 3 rungs above water. The tide rises 1 m. How many now? 3 · 2 · None
3 – The ship floats up with the tide!
Which usually uses less water: a 5-minute shower or a full bath? Shower · Full bath · They're equal
Shower
In 5W-30 motor oil, what does the W mean? Weight · Winter · Watts
Winter
Which food can last thousands of years? Bread · Honey · Cheese
Honey – Edible honey was found in ancient Egyptian tombs!
A smoke alarm chirping every minute usually means... Fire · Low battery · Too much steam
Low battery
The Caesar salad was invented in… Italy · Mexico · USA
Mexico – Caesar Cardini made it in Tijuana in 1924!
What causes Earth's seasons? Distance from the Sun · Earth's tilted axis · The Moon's pull
Earth's tilted axis – Earth is actually closest to the Sun in January!
In which year did World War II end? 1945 · 1944 · 1948
1945
What is the chemical symbol for sodium? So · Sd · Na
Na
Which planet is called the Red Planet? Venus · Jupiter · Mars
Mars
How do diesel engines ignite their fuel? Spark plugs · Compression heat · A laser
Compression heat
Which letter of the alphabet holds the most water? W · C · O
C – C sounds like sea!
Which number doesn't belong? 9 · 2 · 3 · 5
9
On a die, opposite faces add up to 7. What's opposite the 2? 5 · 4 · 6
5
What comes next: 1, 3, 6, 10, 15, ...? 20 · 18 · 21
21
You drive 60 km/h there and 40 km/h back. Average speed? 50 · 48 · 45
48 – It's not 50 because you spend more time at the slow speed!
What has thirteen hearts but no other organs? A jellyfish · A deck of cards · An octopus
A deck of cards – Each suit has thirteen cards, and one suit is hearts!
What comes once in a minute, twice in a moment, never in a thousand years? The letter M · A blink · Noon
The letter M
Which light bulb uses the least energy? Incandescent · Halogen · LED
LED
About how much of Earth's surface is water? About 50% · About 90% · About 71%
About 71%
What has a thumb and four fingers but isn't alive? Glove · Statue · Puppet
Glove
Which part of a candle flame is the hottest? The yellow part · The wick · The blue part
The blue part
Half of a number is 12. What is a third of it? 6 · 8 · 4
8
What can be cracked, made, told and played? An egg · A code · A joke
A joke
What runs around the whole yard without moving? A dog · A hose · A fence
A fence
A train leaves at 10:45 and the trip takes 95 minutes. Arrival? 12:20 · 11:40 · 12:40
12:20
How many days are in a leap year? 365 · 366 · 364
366
If A = 1, B = 2 and C = 3, what do C, A and B add up to? 12 · 6 · 8
6
Tennis balls are officially yellow, not green.
True – The color is 'optic yellow', picked in 1972 so TV viewers could see it.
Why do we have leap years? A year is ~365.25 days · The Moon slows down · To fix clock drift
A year is ~365.25 days
What's next: 2, 5, 10, 17, ...? 24 · 26 · 27
26 – Square numbers plus one: 1+1, 4+1, 9+1, 16+1, 25+1.
A is B's sister, and B is C's mother. What is A to C? Grandmother · Mother · Aunt
Aunt
A shirt costs $20 after 50% off. What was the price before? $30 · $25 · $40
$40
How much sleep do adults need, says most sleep research? 7 to 9 hours · 4 to 5 hours · 10 to 12 hours
7 to 9 hours
The bikini is named after a… Nuclear test site · French beach · Fashion designer
Nuclear test site – Its designer named it after Bikini Atoll in 1946!
Bluetooth is named after a… Viking king · Dentist · Blue shark
Viking king – King Harald Bluetooth united parts of Denmark and Norway!
Which country has the most time zones? Russia · USA · France
France – Thanks to its overseas territories, France has 12!
If you have me, you want to share me. Share me and I'm gone. A secret · A cake · A toy
A secret
What can you break without ever touching it? A plate · A pencil · A promise
A promise
How many bones are in the human skull? 8 · 22 · 32
22
A group of crows is called a… Murder · Flock · Parliament
Murder
What do Nintendo Switch game cards taste like? Sweet · Salty · Bitter
Bitter – It's on purpose, so kids won't swallow them!
A train leaves at 3:00 pm and takes 2 h 45 min. When does it arrive? 6:45 pm · 5:45 pm · 5:15 pm
5:45 pm
A farmer must cross a river with a wolf, a goat and a cabbage. What first? The cabbage · The goat · The wolf
The goat – The wolf won't eat the cabbage, so the goat goes first and returns later!
What kind of band never plays music? A boy band · A rubber band · A wedding band
A rubber band
What is 15% of 200? 15 · 25 · 30
30
Which of these is a prime number? 53 · 51 · 57
53 – 51 is 3 × 17 and 57 is 3 × 19!
You invest $100 at 10% a year. After 2 years you have... $110 · $120 · $121
$121
Before Mount Everest was found, what was the tallest mountain? K2 · Mount Everest · Kilimanjaro
Mount Everest – It was still the tallest, people just hadn't measured it yet!
Which country has the oldest flag still in use? UK · Denmark · Japan
Denmark – Denmark's flag dates back to at least the 1300s!
Which country invented basketball? Canada · United States · United Kingdom
United States – A Canadian, James Naismith, invented it in Massachusetts in 1891.
What is the only US state with a one-syllable name? Maine · Texas · Iowa
Maine
Which word is NOT a palindrome? Level · Radar · Robot · Kayak
Robot – A palindrome reads the same backwards. Robot becomes tobor!
A 50% off sale, then another 50% off. Total discount? 75% · 100% · 50%
75%
Which animal can recognize itself in a mirror? Dog · Magpie · Cat
Magpie – Magpies passed the mirror test, like apes and dolphins.
Today is Wednesday. What day is it in 100 days? Thursday · Friday · Saturday
Friday
A 100 m train crosses a 100 m bridge at 10 m per second. How long? 10 seconds · 15 seconds · 20 seconds
20 seconds – The front goes 200 m before the back leaves the bridge.
What's the last thing you take off before bed? Your feet off the floor · Your socks · Your glasses
Your feet off the floor
Which animal is the fastest on Earth? Cheetah · Peregrine falcon · Sailfish
Peregrine falcon – It dives at over 380 km/h!
How many birthdays does the average person have? 1 · 70 · 80
1
About how old is the Universe? 4.5 billion years · 100 billion years · 13.8 billion years
13.8 billion years – 4.5 billion is the age of Earth!
Roll two dice. Which total comes up most often? 12 · 7 · 6
7 – Six ways to make 7, only one way to make 12.
It is 4 PM now. What time will it be in 100 hours? 10 PM · 8 PM · 4 PM
8 PM
Which element is the most common in the Universe? Helium · Hydrogen · Oxygen
Hydrogen
A sheet of paper folded 42 times would reach the Moon.
True – 0.1 mm doubled 42 times is about 440,000 km.
A cube is painted red and cut into 27 small cubes. How many have 3 red faces? 8 · 12 · 6
8 – Only the 8 corner cubes!
What's the next number: 10, 9, 7, 4, ...? 1 · 2 · 0
0
After Mandarin, which language has the most native speakers? English · Spanish · Hindi
Spanish
Which weighs more: a kilo of feathers or a kilo of bricks? Bricks · Feathers · They weigh the same
They weigh the same
Nokia started out as a… Rubber factory · Phone shop · Paper mill
Paper mill
What gets wetter the more it dries? A sponge · A towel · Rain
A towel
Which blood vessels carry blood away from the heart? Veins · Arteries · Capillaries
Arteries
Why isn't white chocolate 'real' chocolate? No cocoa solids · No sugar · No milk
No cocoa solids
Which ball is the heaviest? Football · Volleyball · Basketball
Basketball
What question can you never answer yes to? Are you asleep? · Is it Monday? · Are you hungry?
Are you asleep?
A father is 4 times his son's age. In 20 years he'll be twice as old. Son's age now? 8 · 10 · 5
10 – The son is 10 and the father 40, then 30 and 60!
What comes next: J, A, S, O, N, ...? D · J · M
D
Rice doubles on each chessboard square, starting with 1. How many on square 10? 1,024 · 512 · 20
512
Mary's mom has 3 kids: April, May and…? Mary · June · March
Mary
What has a neck, no head, and wears a cap? A bottle · A shirt · A giraffe
A bottle
Which is the better deal: 3 for $2 or 5 for $3? Same · 3 for $2 · 5 for $3
5 for $3
How long does the Moon take to orbit Earth? About a week · About a year · About a month
About a month – That is where the word month comes from: moon-th!
What is 20 divided by a quarter? 80 · 5 · 20.25
80
A timing belt snaps in an interference engine. What happens? Nothing at all · Only lights fail · Valves hit pistons
Valves hit pistons – That's why mechanics say: change it on time!
If two's company and three's a crowd, what are four and five? A party · A team · Nine
Nine
A bat and ball cost $1.10. The bat costs $1 more. The ball costs? 5 cents · 10 cents · 1 cent
5 cents – Ball 5 cents + bat $1.05 = $1.10. Most people say 10!
3 cats catch 3 mice in 3 minutes. 100 cats, 100 mice? 100 minutes · 33 minutes · 3 minutes
3 minutes
Which planet is, on average, closest to Earth? Venus · Mars · Mercury
Mercury – Venus gets closest at times, but Mercury stays nearest on average!
Which is the only mammal that can truly fly? Flying squirrel · Sugar glider · Bat
Bat – The other two only glide!
A square is cut by both diagonals. How many triangles can you find? 4 · 8 · 6
8
Which is the biggest: 1/3, 0.3 or 30%? 1/3 · 0.3 · 30%
1/3 – 0.3 and 30% are equal. 1/3 is 0.333...
What is half of two plus two? 2 · 3 · 4
3
A cowboy rides in on Friday, stays three days and leaves on Friday. How? His horse is named Friday · He stayed a whole week · It was a leap year
His horse is named Friday
What must be fed, but dies if you give it water? Fire · A plant · A fish
Fire
A lily pad doubles daily and covers a pond on day 30. Half covered on day... 15 · 29 · 20
29
What is half of a quarter of an eighth of 1,024? 32 · 16 · 8
16
Lara Croft was almost called… Laura Cruz · Lana Cross · Lily Craft
Laura Cruz
8 identical balls, one is heavier. Fewest scale weighings to find it? 2 · 3 · 4
2
Which blood type is the rarest of the common eight? O negative · AB negative · B positive
AB negative
Which organ makes insulin? Pancreas · Liver · Kidney
Pancreas
What is the largest planet in our solar system? Saturn · Jupiter · Neptune
Jupiter
Which food can stay edible for thousands of years? Rice · Honey · Salted fish
Honey – Edible honey was found in ancient Egyptian tombs!
Which weighs more: a US ton or a metric tonne? US ton · Metric tonne · The same
Metric tonne – A US ton is 907 kg. A metric tonne is 1,000 kg.
Swedish meatballs were inspired by a recipe from… Turkey · Germany · Russia
Turkey – Sweden's official account admitted it in 2018!
What runs but never walks, and has a mouth but never talks? A river · A clock · A dog
A river
GTA was first called… Race'n'Chase · Car Thief · Street Kings
Race'n'Chase
Who wrote the first computer algorithm, in the 1840s? Ada Lovelace · Marie Curie · Grace Hopper
Ada Lovelace
Which temperature is the same in Celsius and Fahrenheit? 0 · −40 · 100
−40
What comes next: 2, 6, 30, 210, ...? 420 · 2,310 · 1,890
2,310
How many wheels did Karl Benz's first car have? Three · Four · Two
Three
What's next: 2, 4, 8, 16...? 24 · 32 · 20
32 – Each number doubles: 16 times 2 is 32!
Mary Anderson invented which car part in 1903? Windshield wipers · Seat belts · Turn signals
Windshield wipers – Men laughed at the idea, now every car has them!
With a 3-liter and a 5-liter jug, can you measure exactly 4 liters? Yes · No · Only with a third jug
Yes – Fill the 5, pour into the 3, empty it, and repeat!
The prize at the first esports tournament in 1972 was… $1,000 · A gold trophy · A magazine subscription
A magazine subscription – Stanford students won a year of Rolling Stone!
2 painters paint 2 rooms in 2 hours. How many rooms do 4 painters paint in 4 hours? 4 · 8 · 16
8 – Each painter does half a room an hour!
German chocolate cake is named after… Germany · A man named German · A German bakery
A man named German – Baker Sam German created the chocolate it uses!
10 people each shake hands once with every other person. How many handshakes? 45 · 90 · 100
45
Flip two coins. Which is more likely? Two heads · Equally likely · One of each
One of each – Heads-tails and tails-heads both count: 2 chances in 4.
A clock strikes 6 in 5 seconds. How long to strike 12? 10 seconds · 11 seconds · 12 seconds
11 seconds – 6 strikes have only 5 gaps, 12 strikes have 11!
Forward I'm heavy, backward I'm not. What am I? Ton · Rock · Stone
Ton – 'Ton' backwards spells 'not'!
In the 1830s, ketchup was sold as… Hair gel · Medicine · Paint
Medicine
A farmer has 17 sheep. All but 9 run away. How many are left? 8 · 9 · 17
9 – All but 9 means 9 stayed. Read every question carefully, it gets sneakier!
Which was the first Android version with a dessert name? Donut · Cupcake · Eclair
Cupcake
Which four-letter word reads the same forwards, backwards and upside down? DEED · PEEP · NOON
NOON – Turn NOON upside down and it still says NOON!
What comes next: 1, 11, 21, 1211, 111221, ...? 121121 · 312211 · 1112221
312211 – Read the last one aloud: three 1s, two 2s, one 1.
The shortest war in history lasted about… 3 hours · 2 days · 38 minutes
38 minutes – Britain vs Zanzibar, 1896!
A pen costs $1 plus half its own price. What does it cost? $1.50 · $2 · $3
$2
What is the smallest bone in the human body? Hyoid (in the throat) · Coccyx (tailbone) · Stapes (in the ear)
Stapes (in the ear)