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Time for some number riddles! Everybody likes a riddle or two from time to time. They keep our minds sharp and let us explore the many possible answers that arise. Number riddles are some of the most popular riddles you can find on the internet.
They are easy to memorize but hard to crack at first. But once you crack them — there is nothing better. Once you crack one number riddle, high chances are you will try to solve another one. But, while being both simple in their design and hard with their answers, why are riddles with numbers so fun?
When we juggle math every day, from the prices of groceries to how much time we spend on a given task, numbers are nothing to us. Or at least, it seems so. Math riddles, overall, are some of the most brain-moving riddles we can solve. They take time and patience, and sometimes it seems that even the most obvious answers are incorrect.
If you can solve a simple math riddle, how are riddles involving numbers, where there is more text, different? The answer sleeps in complexity. These riddles seem to be easy, but they are able to mix in some wordplay magic. They are more like logic riddles, with a focus given on the trickery part. And that is where the whole fun part of the riddle comes from.
So, ready to solve funny riddles with numbers involved? Look no further than the list below. We have created a list of riddles with answers, so if you get stuck on some, don’t worry, look at the comments to find the answer you might not have gotten.
Upvote the riddles that were able to catch you off guard. If you didn’t get the answer, comment below on what you thought the answer was!
This post may include affiliate links.
#1
Math Riddles
I add five to nine, and get two. The answer is correct, but how?
Linas Simonaitis 3 years ago
Answer: When it is 9 a.m., add 5 hours to it and you will get 2 p.m.
Cuppa tea? 3 years ago
I did this with 24 hours time format - the one used in developed countries - and it doesn't make sense.
RELATED:
#2
Marla has four daughters, and each of her daughters has a brother. How many children does Marla have?
#3
It’s raining at midnight, but the forecast for tomorrow and the next day is clear. Will there be sunny weather in 48 hours?
Linas Simonaitis 3 years ago
Answer: No, it won’t be sunny because it will be dark out. In 48 hours, it will be midnight again.
W.D. Callahan 3 years ago
You've never heard of the land of the midnight sun?
Load More Replies... #4
How did the soccer fan know before the game that the score would be 0-0?
David 3 years ago
OMG he posted his answers, and he works at bored panda, a week ago. I don't think ANYONE posted more than 3 days ago. Dude... I don't think that's how it's supposed to work my man...
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David 3 years ago
I even called it an hour ago. First hunch was ALL t he answers. Then accidentally confirmed when I clicked his name instead of scrolling down. Literally first night with an account to post, and yes, maybe got carried away, but now I'm sorry I ever did. This is supposed to be fun for all of us and I just feel robbed. I didn't know the answer to most of these. And that's the point, to feel something when you do. Ruined
David 3 years ago
WOW!! Accidentally clicked on an us's prophile trying to scroll down hoping somebody knocked him back somewhere, because something just didn't seem right. Turns out he WORKS FOR BORED PANDA AS A LIST CURATOR!!! WTF!!!
David 3 years ago
An us is trying to ruin this whole post. Been on bored panda for a while, would make my guess, then read the posts. This guy got to me... Read on fellow pandas and comment yourself if something looks 🐟 late night guys, have fun
David 3 years ago
Goodnight, be safe, and have fun! I'm going to do something else for a bit. Still love this place though. (Not a plug 🤣)
Load More Replies... #5
How do you divide 10 apples for 11 people?
Stimpy 3 years ago
Or the engineers answer: cut each apple into 11 pieces, divide all equally
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Jake VanWagoner 3 years ago
Answer: you take the Joseph Stalin approach. The least useful person doesn't get an apple.
#6
A 300 ft. train that is traveling 300 ft. per minute must travel through a 300 ft. long tunnel. How long will it take the train to travel through the tunnel?
Linas Simonaitis 3 years ago
Answer: Two minutes. It takes the front of the train one minute and the rest of the train will take two minutes to clear the tunnel.
CT 2 years ago
Yes 2 min, but actually… it takes 1 min for train to fill entire tunnel, and then another 1 min for train to get entirely out of tunnel.
Load More Replies... #7
William is a historian. He takes two from five and gets four. How does he do that?
Linas Simonaitis 3 years ago
Answer: He takes letters F and E from FIVE and gets IV – Roman four.
Jake VanWagoner 3 years ago
Simple -- he has the wrong answer. He's a historian, not a mathematician after all.
#8
What is the smallest whole number that is equal to seven times the sum of its digits?
Linas Simonaitis 3 years ago
Answer: The answer is 21. The two-digit number ab stands for 10a + b since the first digit represents tens and the second represents units. If 10a + b = 7(a + b), then 10a + b = 7a + 7b, and so 3a = 6b, or, more simply, a = 2b. That is, the second digit must be twice the first.
Stimpy 3 years ago
Sorry, but since zero is a whole number, the correct answer must be zero...
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Marek Čtrnáct 3 years ago
Should be "natural number". Whole numbers include the negative ones, making questions about "smallest" number with particular property meaningless.
Lama 3 years ago
And even then it could still be zero (according to at least a part of the mathematician community).
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Ernesto Fajardo 3 years ago (edited)
Answer: 21 Edit: oh, OK. Did the same as the guy on top haha
#9
What 3 numbers give the same result when multiplied and added together?
Marek Čtrnáct 3 years ago
Also -1, 0, 1. Or 1, 5/3, and 4. See what happens when you don't specify the expected domain of answer?
#10
A word I know, six letters it contains, remove one letter and 12 remains, what is it?
#11
If there are 15 crows on a fence and the farmer shoots a third of them, how many crows are left?
Linas Simonaitis 3 years ago
Answer: None. The rest of the crows flew away when they heard the gunshot.
Lama 3 years ago (edited)
It doesn't say "how many crows are left on the fence", these riddles are very poorly worded. And even then, if they all flew away at the first gunshot, how did the farmer shoot 5 crows in one shot? It makes no sense.
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Jake VanWagoner 3 years ago
10. They may not be on the fence, but there are still 10. Amazing that the farmer got that many of them before they flew out of range of his gun.
#12
What do the numbers 11 and 88 have in common?
God Chasers Something pursued 3 years ago
Dividable by 11, same backwards and forwards, same upside down and right side up,
Jake VanWagoner 3 years ago
Both of them have found to be racist by the Southern Poverty Law Center.
#13
Leonard works at the aquarium. When he tries to put each turtle in its own tank, he has one turtle too many. But if he puts two turtles per tank, he has one tank too many. How many turtles and how many tanks does Leonard have?
#14
What single digit appears most frequently between and including the numbers 1 and 1,000?
Drew Losure-McDermott 3 years ago
... since it says "digit" it seems like the answer should be "0" not "1" - there are three 0s and two 1s.
Load More Replies... #15
Suppose you have 3 ostriches on your farm laying 3 eggs in 3 minutes. How many ostriches do you need to produce 700 eggs in 700 minutes?
David 3 years ago
Sorry I didn't see your answer, completely agree and up voting
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Joseph Sorenson 3 years ago
Nope, only one 3 ostriches, 3 eggs, 3 mins 1 ostrich per egg per min... You only need 1
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Gergana Tsolova 3 years ago
If each of the 700 ostriches lays an egg in 3 minutes, won't it only take them 3 minutes to lay 700 eggs?
Load More Replies... #16
I am an odd number. Take away a letter and I become even. What number am I?
#17
A horse was tied to a rope 5 meters long and the horse’s food was 15 meters away from the horse. How did the horse reach the food?
Linas Simonaitis 3 years ago
Answer: The rope wasn’t tied to anything so he could reach the food.
#18
3 matches are sitting on a table. Without adding another, make a "four" out of these 3 matches. You are not allowed to break any of the matches. How can it be done?
God Chasers Something pursued 3 years ago
Use the three matchsticks to draw a number four. One would be the upright vertical one would be the horizontal and one would be the upright for the arm
#19
Using only addition, how can you add eight 8’s to get the number 1,000?
#20
Tricky Wordplay Number Riddles
In reply to an inquiry about the animals on his farm, the farmer says: “I only ever keep sheep, goats, and horses. In fact, at the moment they are all sheep bar three, all goats bar four, and all horses bar five.” How many of each animal does the farmer have?
Alison Hell 3 years ago
No kidding.. what does 'sheep bar three' even mean?
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#21
One brother says of his younger brother: “Two years ago, I was three times as old as my brother was. In three years’ time, I will be twice as old as my brother.” How old is each brother now?
#22
Old Granny Adams left half her money to her granddaughter and half that amount to her grandson. She left a sixth to her brother, and the remainder, $1,000, to the dogs’ home. How much did she leave altogether?
google slave 3 years ago
I'm still trying to figure out how she had anything else to give away after giving TWO HALVES away? If you give half to one person and half to another you shouldn't have anything left to give away.
Lalicia Kaline 3 years ago
She left half to her granddaughter and HALF of that half to her grandson
Load More Replies... #23
If a hen and a half lay an egg and a half in a day and a half, how many eggs will half a dozen hens lay in half a dozen days?
Obvious Decoy 3 years ago
Usually dead and certainly not laying any eggs half or whole.
Load More Replies... David 3 years ago
🤣 terrible math .. still drinking, cheers 🥃 sorry, was thinking to simple
Load More Replies... #24
My twin lives at the reverse of my house number. The difference between our house numbers ends in two. What are the lowest possible numbers of our house numbers?
Linas Simonaitis 3 years ago
Answer: House numbers are 19 and 91, the difference between them is 72.
Ernesto Fajardo 3 years ago
Yep. Solving 10x + y -10y -x = z2 you'll come to 9x = z2 + 9y. So for these to be natural numbers, "z2" has to be a multiple of 9 and the smallest one ending in 2 is 72. Trying for y = 1, x = 9, so the numbers are 91 and 19.
#25
A farmer decided to give his animals pocket money. He pays $13 to a rooster, $39 to a bee, and $52 to a spider. How much will a cat and a dog get?
Linas Simonaitis 3 years ago
Answer: Both a cat and a dog will get $26. The bee has six legs, so it gets 6.5 x 6 = 39. The same goes for a spider. A dog and a cat have four legs each: 6.5 x 4 = 26.
Gabriel Turner 3 years ago
Why would he pay them according to how many legs they have?
Load More Replies... Jake VanWagoner 3 years ago
None, because he doesn't have any left after paying all the frickin flies.
#26
I will be everything if you put me on my side. I will be nothing if you cut me in half. What am I?
#27
What becomes smaller when you turn it upside down?
#28
There is a man with his horse going to town. The man went to the town on Monday. He stayed there for 3 days and then he came back on Friday. How? His horse was not tired, the man wasn’t sleepy.
#29
Eggs are $0.12 a dozen. How many eggs can you get for a dollar?
#30
If you multiply this number by any other number, the answer will always be the same. What number is this?
#31
If there are four sheep, two dogs and one herds-men, how many feet are there?
Linas Simonaitis 3 years ago
Answer: Two because sheep have hooves, dogs have paws, only people have feet.
#32
You have a basket with 20 apples. You have 20 hungry children. Every child should get an apple but one apple should remain in the basket. How do you do that?
Linas Simonaitis 3 years ago
Answer: You give 19 children one apple each and you give the last one the basket containing the last apple.
Marek Čtrnáct 3 years ago
For larger versions of this problem, the last child shall be put into the basket instead.
Load More Replies... #33
A grandmother, two mothers, and two daughters went to a baseball game together and bought one ticket each. How many tickets did they buy in total?
Linas Simonaitis 3 years ago
Answer: 3 tickets (The grandmother is also a mother and the mother is also a daughter).
Joseph Mainusch 3 years ago
Two. One is a grandmother. Both are mothers. All women are daughters.
#34
John was asked to paint the apartment number on plates of 100 apartments which means he will have to paint numbers 1 through 100. Can you figure out the number of times he will have to paint the number 8?
Linas Simonaitis 3 years ago
Answer: 20 times (8, 18, 28, 38, 48, 58, 68, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 98).
Marek Čtrnáct 3 years ago
Technically, an answer "Yes" or "No" would be also acceptable :(
Load More Replies... #35
Deceptive Logic Number Problems
If seven people meet each other, and each shakes hands only once with each of the others, how many handshakes will there have been?
#36
There is an empty basket, three feet in diameter and one foot deep. How many oranges can you put in this empty basket?
Jake VanWagoner 3 years ago
What kind of oranges? Navel? Mandarin? What? I don't know that! AAAAAAAAAAAAAAH (gets tossed down ravine)
Linas Simonaitis 3 years ago
Answer: One is enough, because when you put something in an empty basket, it's not empty anymore.
#37
What should you add to 55,555 to make it equal 500?
Linas Simonaitis 3 years ago
Answer: The minus sign. Place minus (-) between 555 and 55 to make this equation: 555 – 55 = 500.
#38
In an odd little town, was an odd little stream with odd little fish in an odd little team. A stranger approached a local fisherman, and asked him how much his odd little fish weighed. The odd little man replied, “All the fish in this stream weigh exactly 1/2 of a pound plus 1/2 of a fish.” Isn’t that odd? How many pounds does an odd little fish weigh?
David 3 years ago
Again, been drinking, don't know you, but still don't like you 😉
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#39
What is the maximum possible number of times you can subtract number 5 from number 25?
Linas Simonaitis 3 years ago
Answer: Only once. This is because when you subtract 5 from 25 for the first time, it becomes number 20, then 15, and so on.
Gregory Lewis 3 years ago
There's no limit. 25-5=20, 25-5=20, 25-5=20, ...
Load More Replies... Jake VanWagoner 3 years ago
Uh, infinity. 25-5=20, I did it once. 25-5=20, I did it again. I can keep doing it again and again and again. The answer will never change. The number 25 will always exist to subtract 5 from.
#40
A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?
Linas Simonaitis 3 years ago
Answer: $25. The pricing method charges $5 for each letter needed to spell the item.
Marek Čtrnáct 3 years ago
They had close down after an enterprising lady kept buying panties and returning them as knickers.
Load More Replies... #41
I am a three-digit number. My tens digit is six more than my ones digit. My hundreds digit is eight less than my tens digit. What number am I?
#42
Tulia has $29.00 dollars. She bought 4 coloring books that cost $3.00 each, and 4 boxes of crayons that cost $2.00 each. She spent the rest of her money on markers. How much money did she spend on markers?
#43
Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?
Linas Simonaitis 3 years ago
Answer: Any number. If a number is doubled and multiplied by 4, it’s actually been multiplied by 8, so dividing by 8 will get you the original number again.
#44
I am a three-digit number. My second digit is 4 times bigger than the third digit. My first digit is 3 less than my second digit. What number am I?
#45
Double my number, I'm less than a score, half of my number is less than four. Add one to my double when bakers are near. Days of the week are still greater, I fear. What number am I?
#46
What is the smallest number that increases by 12 when it is flipped and turned upside down?
Linas Simonaitis 3 years ago
Answer: 86. When it is turned upside down, it becomes 98, which is 12 more than 86.
#47
This number can be positive or negative, and it starts with I and ends with R. What is this number?
Jake VanWagoner 3 years ago
An integer is not a number. An integer is a TYPE of number.
Load More Replies... #48
Classic Mathematical Riddles
What is the result if you multiply all numbers on a phone’s dial pad?
Linas Simonaitis 3 years ago
Answer: 0. Since the phone dial pad ends with a 0, multiplying anything by 0 equals 0.
#49
You have ordered a pizza for a dinner of eight. How many times do you need to cut the pizza to get eight slices?
#50
If two’s company, and three’s a crowd, what are four and five?
#51
If there are three apples and you take away two, how many apples do you have?
#52
How many months of the year have 28 days?
Jake VanWagoner 3 years ago (edited)
No. It's only one, depending on the year. The nature of the question implies that the month ONLY has 28 days. Communicating badly and then being smug about it when you're misunderstood doesn't make you smart.
Load More Replies... #53
You’re sitting down for breakfast and realize you have 4 bagels left. You know you’ll run out in four days so you cut them in half. How many bagels do you have now?
#54
How many sides does a circle have?
#55
One year has 365 days. How many seconds are in a year?
Allan D 3 years ago (edited)
February 1 would be the second 1st, February 2 is the second 2nd, etc. Add 28 of those to your answer...39 if you don't count Feb 2nd twice. Then March 29, 30 and 31st, so 42 seconds.
Load More Replies... #56
When Michael was 6 years old, his little sister, Laura, was half is age. If Michael is 40 years old today, how old is Laura?
#57
Tricky Wordplay Number Riddles
The day before yesterday I was 21, and next year I will be 24. When is my birthday?
Abby 3 years ago
this 1 is just stupid. are they using the Korean way of doing birthdays? cuz this doesn't make any sense.
Allan D 3 years ago
Dec. 30, they are 21. Dec 31, they are 22. Today is Jan 1. Later this year, 23 on Dec 31. Next year, 24 on Dec 31.
Load More Replies... #58
There are 100 pairs of dogs in a zoo. Two pairs of baby dogs are born for every dog. Unfortunately, 23 of the dogs have not survived. How many dogs would be left in total?
Linas Simonaitis 3 years ago
Answer: 977 dogs (100 x 2 = 200; 200 + 800 = 1000; 1000 – 23 = 977).
#59
A man is twice as old as his little sister. He is also half as old as their dad. Over a period of 50 years, the age of the sister will become half of their dad’s age. What is the age of the man now?
#60
A farmer bought a rooster to sell eggs for $0.1 each. The rooster lays five eggs a day. How much will the farmer earn in a week?
Linas Simonaitis 3 years ago
Answer: The farmer will earn nothing because roosters don’t lay eggs.
Anish Momaya 3 years ago
But you just said "the rooster lays five eggs a day."
Load More Replies... #61
What are the two whole, positive numbers that have a one-digit answer when multiplied and a two-digit answer when added?
#62
A little girl goes to the store and buys one dozen eggs. As she is going home, all but three eggs break. How many eggs are left unbroken?
#63
A boy blows 18 bubbles, Then pops 6 eats 7, And then he pops 5 and blows 1. How many are left?
#64
At the time of shipping, Jacob can place 10 small boxes or 8 large boxes into a carton. A total of 96 boxes were sent in one shipment. The number of small boxes was less than large boxes. What is the total number of cartons he shipped?
Linas Simonaitis 3 years ago
Answer: 11 cartons. 4 small boxes (410 = 40 boxes), 7 large boxes (78 = 56 boxes). So, Jacob shipped 96 boxes and 11 total cartons.
#65
What can you put between a 7 and an 8 so that the result is greater than a seven, but less than an eight?
#66
A snail is in a 20-meter-deep pit. It climbs 5 meters but slides 4 meters back every day. How long will it take for a snail to escape the hole?
What do you think ?
Riddle Tower 3 years ago
You can try Riddle Tower. You can find it on Google playstore and yes this is a shameless promotion hehe :) https://play.google.com/store/apps/details?id=com.riddletower
Mr_Alfreado 3 years ago
Who actually solves these without wanting to do bodily harm to yourself?
Riddle Tower 3 years ago
You can try Riddle Tower. You can find it on Google playstore and yes this is a shameless promotion hehe :) https://play.google.com/store/apps/details?id=com.riddletower
Mr_Alfreado 3 years ago
Who actually solves these without wanting to do bodily harm to yourself?
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