Riddles
Math Facts
Simple Algebra
Random
Brain Teasers
100

Why did the dinosaur cross the road?

What is because chickens hadn’t evolved yet?

100

What is the only number that can’t be represented by Roman Numerals?

What is 0?

100

If 3+x=336 what is x?

What is 333?

100

z2−10z+21 in factored form.

(z−3)(z−7)

100

I have ten or more daughters. I have less than ten daughters. I have at least one daughter. If only one of these statements are true, how many daughters do I have?

What is no daughters?

200

What do you have to break in order to use?

What is an egg?

200

What squared is 123,456,789,987,654,321?

What is 111,111,111?

200

What is a value that doesn’t change?

What is a constant?

200

(3 - 6n- 8n4) - (-6n4 - 3n - 8n5) in simplified form.

What is 2n5 - 2n4 + 3n + 3

200

What are the next three numbers in this sequence? O, t, t, f, f, s, s, _, _, _?

What is e, n, t?

300

I live in winter and die in summer and I grow with my roots on top. What am I?

What is an icicle?

300

What letter doesn’t appear in the spelling of any English numbers?

What is the letter C?

300

If (X+5)/2 >3 what is x?

What is anything greater than 1?

300

The number of miles traveled if 

To take a taxi, it costs $3.00 plus an additional $2.00 per mile traveled. You spent exactly $20 on a taxi, which includes the $1 tip you left.

How many miles did you travel?

What is 8 miles?

300

When this is true, 0>2, 2>5, 5>0 

What is in Rock Paper Scissors?

400

What is 3/7 chicken, 2/3 cat, and a half goat?

What is Chicago?

400

In how many Shakespearian plays does the word mathematics occur?

What is one?

400

With the points (2,3) and (1,4) what is the equation (4-3)/(1-2) finding?

What is the slope?

400

The possible sandwich combinations at Ms. Vallance's deli if she offers turkey, tuna, ham, and pastrami on rye, wheat, white, or sourdough bread. 

What is 64 combinations?

400

A woman is sitting in her room at night. She has no lights on, no candle, no lamp, no light at all and yet she is reading. How is that possible?

What is the woman is blind and is reading Braille? 

500

I’m a word that’s hardly there, take away my start and I’m an herbal flare. What am I?

What is sparsely?

500

How long is a jiffy?

What is 1/100th of a second or 0.01 seconds?

500

What is the domain on any quadratic function and what does it represent?

What is all real numbers and it represents the x values of the function?

500

The shadow cast by a 10 foot lamp post when the angle of elevation of the sun is 58º. Find the length to the nearest tenth of a foot.

What is 6.2 feet

500

A man was born in 1955 and yet he just turned 18. How is this possible?

What is the hospital room number is 1955?