Math Riddles


The Missing Dollar


Three friends check into a motel for the night and the clerk tells them the bill is $30, payable in advance. So, they eac......

Age of father and son


The ages of a father and son add up to 66. The father's age is the son's age reversed.
How old could they be? (3 poss......

Canaries and cages


I am the owner of a pet store. If I put in one canary per cage, I have one bird too many. If I put in two canaries per cag......

6 in Roman


After teaching his class all about roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single co......

If you have three oranges


If you have three oranges and you take away two, how many will you have? ...

Train Journey


Mr. Grumper grumbles about bad time-keeping trains like everybody else. On one particular morning he was justified, though......

Four members of a band


Four members of a band are walking to a night concert. They decide to take a shortcut, but must cross a bridge. Luckily th......

A large truck is crossing a bridge


A large truck is crossing a bridge 1 mile long. The bridge can only hold 14000 lbs, which is the exact weight of the truck......

I am a three digit number


I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less th......

Beanie Babies


Jenn has half the Beanie Babies that Mollie has. Allison has 3 times as many as Jenn. Together they have 72. How many Bean......

Test Results


Students at Monty High with a class size under of 30 took a math test. One third of the class got a "B", one quarter a "B-......

Cards with Crosses


You have a stack of 23 cards. Each card has an image of a cross on one side, and an image of a circle on the other side. Y......

The Bridge


Four men want to cross a bridge. They all begin on the same side. It is night, and they have only one flashlight with them......