Number Riddles:

What is alive and has only 1 foot?
Answer: A leg.
What is the difference between a new penny and an old quarter?
Answer: 24 cents.
When do elephants have 8 feet?
Answer: When there are 2 of them.
What coin doubles in value when half is deducted?
Answer: A half dollar. (deduct the word half and you have a dollar).
What has 4 legs and only 1 foot?
Answer: A bed.
What has 4 legs and flies? (Hint: it's not a dead horse!)
Answer: 2 pairs of pants.
If you can buy eight eggs for 26 cents, how many can you buy for a cent and a quarter?
Answer: 8.
What has 100 legs but cannot walk?
Answer: 50 pairs of pants.
What number can you subtract half from to obtain a result that is zero?
Answer: The number 8 - made up of 2 zeros one on top of the other.
Why should you never mention the number 288 in front of anyone?
Answer: Because it is too gross - 2 times 144 which is a gross.
How can half of 12 be 7?
Answer: When the 12 is a Roman numeral - XII. Cut off the top half and you get VII.
Where can you buy a ruler that is 3 feet long?
Answer: At a yard sale.
How many 9's are there between 1 and 100?
Answer: 20.
How many times can you subtract 6 from 30?
Answer: Only once, after that it is no longer 30.
If one nickel is worth five cents, how much is half of one half of a nickel worth?
Answer: 0.0125.
What goes up and never comes down?
Answer: Your age.
Which is more valuable - one pound of $10 gold coins or half a pound of $20 gold coins?
Answer: The pound of $10 coins has twice the amount of gold than the $20 coins.
It happens once in a minute, twice in a week, and once in a year? What is it?
Answer: The letter \e\.
A woman has 5 children and half of them are male? How can this be?
Answer: Only if the other half is male, too.
When things go wrong, what can you always count on?
Answer: Your fingers.
How many cookies can you eat on an empty stomach?
Answer: Only one, then your stomach is no longer empty.
What did one math book say to the other math book?
Answer: Wow, have I got problems.
A street that is 30 yards long has a tree every 6 yards on both sides. How many total trees on the entire street?
Answer: 12 - six per side.
What did Washington become after his 10th year?
Answer: He became eleven.
Which is correct: nine plus five is thirteen OR nine plus five are thirteen?
Answer: Neither, nine plus five is fourteen.
Why are diapers like 100 dollar bills?
Answer: Because you have to change them.
Why is the longest human nose on record only 11 inches long?
Answer: Because if it were twelve inches, it would be a foot.
What trees come in two's?
Answer: Pear (pair) trees.
When a man faints, what number will restore him?
Answer: You must bring him 2.
What is a kitten after it is 7 months old?
Answer: Eight months old.
Which number is greater - six dozen dozen or half a dozen dozen?
Answer: Six dozen dozen (864) as half a dozen dozen is 72.
If 2 is company and 3 is a crowd, what are 4 and 5?
Answer: 9.
What is the difference between a stupid person's ears?
Answer: Nothing.
How many times may 20 be subtracted from 100?
Answer: Only once; any further subtraction would be from a smaller number each time.
When do 2 and 2 make more than 4?
Answer: When they make 22.
Make five less by adding to it.
Answer: Add the Roman numeral I (one) to V (five) and you get IV (four).
Why is 2 times 10 the same as 2 times 11?
Answer: Because 2 times 10 is twenty and 2 times 11 is twenty-two (twenty, too).
If I dig a hole 2 feet square and 2 feet deep, how much dirt is in the hole?
Answer: None.
How long will an 8 day clock run without winding?
Answer: It won't run if you don't wind it.
Behead forty and leave fifty.
Answer: Roman numerals again! Take X (10) from XL (forty) and you get L (fifty).
What has 3 feet, but no legs?
Answer: A yardstick.
What is the difference between 100 and 1000?
Answer: Zero (100 has 2 zero's, 1000 has 3 zero's, a difference of 1 zero or 'zero').
Why is the number 9 like a peacock?
Answer: Because it is nothing without its tail.
If a man gives one son fifteen cents and another ten cents, what time would it be?
Answer: A quarter to two.
What would you add to nine to make six?
Answer: The letter \S\ would be added to IX and then you would have SIX.
A farmer combined 2 compost heaps with 3 others. How many compost heaps does he have?
Answer: One.
Take 2 letters from a 5 letter word and have one left.
Answer: Take off the letters \st\ from \stone\ and \one\ is left.
Take ten from nine and leave only yourself.
Answer: From the Roman number IX, take away the X and I is left.
What is the longest sentence in the world?
Answer: \Go to prison for life.\
If butter is 50 cents a pound in Chicago, what are windowpanes in Detroit?
Answer: Usually glass.
From nineteen take one and leave twenty.
Answer: Take I from XIX and you will have XX.
Which is better, an old five-dollar bill or a new one?
Answer: A 5 dollar bill is worth more than a 1 dollar bill.
How many people do you think need to be in a room before there is a fifty/fifty chance that two of them will have the same birthday?
Answer: Only 23.
Prove that two thirds of 6 is 9.
Answer: Two thirds of SIX (IX) is Roman # IX.
A brick weighs a pound and half a brick. How many pounds do two bricks weigh?
Answer: 2 bricks weigh 2 lbs. and a whole brick, therefore 2 bricks weigh 4 lbs.
If a ton of coal cost $6.50, what will a cord of firewood come to?
Answer: Ashes.
What is as large as a barn, yet completely weightless?
Answer: The shadow of the barn.
What digits do you get if you use a calculator to divide 100 by 81?
Answer: 1234567890.
What dog is 100 years old?
Answer: A sentry (century) dog.
Which American has had the largest number of children?
Answer: George Washington, the father of our country.
What is the largest fly swatter?
Answer: A baseball bat.
Why did the student take his math book to the school nurse?
Answer: Because the book had so many problems.
What fish has the lowest voice?
Answer: A bass.
What number gets larger when it is turned upside down?
Answer: The number 6.
What kind of house weighs the least?
Answer: A lighthouse.
Why does the mathematician love a calculator?
Answer: Because he can always count on it.
Where can you find the largest diamond in the world?
Answer: On the baseball field.
What is the easiest way to double your money?
Answer: Fold it in half.
How did the 800 pound man feel when he lost 250 pounds?
Answer: Delighted.
What animals are best in math?
Answer: Rabbits, they multiply easily.
FOUR is HALF of FIVE.
Is this statement True or False?
Answer: It's True. The Roman Numeral FOUR (IV) is in the middle of the word Five: F(IV)E.
Why is a dollar smarter than a quarter?
Answer: A dollar has more cents.
If you wrote all of the numbers from 300 to 400 on a piece of paper, how many times would you have written the number 3?
Answer: 120.
Seven is an odd number. How can it be made
even?
Answer: Take off the letter \S\.
The following number is the only one of its kind.
8,549,176,320
Can you figure out what is so special about it?
Answer: It's the only number that has all the digits arranged in alphabetical order.
I walk into a room where there are 10 people in who are 20 years old 10 who are 19, 10 who are 18 and 10 who are 30. How many people are there in the room?
Answer: 41.
If a basketball team was chasing a baseball team, what time would it be?
Answer: 5 after 9.
What has 18 legs and catches flies?
Answer: A baseball team.
When will a mathematician die?
Answer: When his number is up.
What has 4 legs and flies?
Answer: A picnic table.
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