Logic
Algebra
Geometry
Trivia
100

A farmer has 17 sheep, and all but 9 run away. How many sheep does the farmer have left?

9

100

If 2^x = 16, what is x-3?

1

100

How many degrees are in the interior angles of a triangle added all together?

180 degrees

100

When is Pi day?

March the 14th.

200

If it takes 5 machines 5 minutes to make 5 clocks, how long does it take 100 machines to make 100 widgets?

5 minutes

200

10 divided by 2/5, then square rooted is

5

200

A right triangle has legs of length 5 cm and 12 cm. How long is its hypotenuse?

13 cm

200

What's this sequence called: 1,1,2,3,5,8,13,...

The Fibonacci Sequence.

300

A mother has 4 daughters, and each daughter has 1 brother. How many children does the mother have in total?

5

300

Three consecutive whole numbers add up to 60. What is the largest of these three numbers?

21

300

If you double the radius of a circle, by what factor does its area increase?

4

300

What geometry term refers to two angles that add up to exactly 90 degrees?

Complementary

400

You have a drawer with 10 red socks and 10 blue socks mixed together in the dark. What is the minimum number of socks you must pull out to guarantee you have at least 4 matching pairs?

7
400

If x+y=10 and x-y=4, what is xy?

21

400

What is the sum of the interior angles of a 9-sided regular nonagon?

540 degrees

400

Every odd number in English has this letter when you write it in words.

e