Mathematicians
Logic
Riddles
Math Problems
Misc. Facts
100

Came up with the concept of the hypotenuse.

Who is Pythagorean?

100

Can you write down eight eights so that they add up to one thousand?

888 + 88 + 8 + 8 + 8 = 1000.

100

What English word retains the same pronunciation, even after you take away four of its five letters?

Queue (if there is another one that is fine as well)

100

Scott has $28.75. He purchased three cookies that cost $1.50 each, five newspapers that each cost $0.50, five flowers for $1.25 each, and used the remainder of the cash on a pair of sunglasses. How much were the sunglasses?

$15.50

100

The first number that has the letter "a" in it.

What is One Thousand?

200

Came up with the concept of f(x), representations for pi, e, and i.

Who was Euler?

200

Matt is the fiftieth fastest and the fiftieth slowest runner in his school. Assuming no two runners are the same speed, how many runners are in Matt's school?

What is 99 runners?

200

I am not found on any ground,But always in the air; Though charged each cloud with thunder loud, You can not find me there. Now, if from France you choose to dance Your way just into Spain, I there am seen, and near the queen, In hail, in mist, and rain. What am I?

The letter I 

200

The smallest whole number that is equal to seven times the sum of its digits?

What is 21?

200

1/100th of a second

What is a jiffy?

300
The father of scientific notation.

Who is Descartes?

300

There is a party of 100 people. 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 people, at least one of them is a liar.
From this information, can you know how many are liars and how many are honest?

There is one honest person.

300

It is a 5 letter word if you take away the first letter it is something you get from the sun if you then remove the second letter you will get something to eat, if you  then remove the third letter you get a word you use in pointing at and if you then remove the fourth letter you get something to drink. What is it?

Wheat

300

Tom weighs half as much as Peter and Jerry weigh three times the weight of Tom. Their total weight is 720 pounds. Can you figure out the individual weights of each man?

Tom weighs 120, Peter weighs 240, and Jerry weighs 360.

300

A number not represented in Roman Numerals.

What is 0?

400

The father of Algebra. Wrote the book Arithmetica.

Who is Diophantus?

400

If four women can bake four pies in four hours, how many pies can eight women bake in eight hours?


What is 16 pies?

400

 My tongue is long, my breath is strong, And yet I breed no strife; My voice you hear both far and near, And yet I have no life. What am I?

Bell

400

A carton contains apples that were divided into two equal parts and sold to two traders Lauren and Tanmay. Lauren had two fruit shops and decided to sell an equal number of apples in both shops, A and B respectively. A mother visited shop A and bought all the apples in the shop for her kids. But one apple was left after dividing all the apples among her children. If each child got one apple, what is the minimum number of apples in the carton?

12

400

The number 1 followed by 100 zeros

What is googol?

500

Discovered the value of pi by inscribing and circumscribing around a circle, the polygon, and processed finally to calculate the areas of the polygon. 

Who was Antiphon?

500

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?

Jogger

500

White bird, featherless, flyin' out o' paradise, flyin' over sea and land, dyin' in my hand. What is it?

A snowflake

500

An athlete can jump FOREVER. However, every time she jumps, she goes half as far as her prior jump. On her very first jump, she goes half a foot. On her second jump, she goes a quarter of a foot, and so. How long will it take her to get a foot away from her starting point?

never

500

The number of seconds in 6 weeks. 

What is 10! ?

M
e
n
u