Author Archives: MathParadise
Greatest Area
A farmer challenges an engineer, a physicist, and a mathematician to fence off the largest amount of area using the least amount of fence. The engineer made his fence in a circle and said it was the most efficient. The … Continue reading
Correct Signs
Insert the correct mathematical signs to make the following calculations work: 7 8 20 32 = 44 9 3 42 12 = 94.5 8 2 12 9 = 57 6 7 15 13 = 44 5 32 6 20 = … Continue reading
Formula
If you use a certain formula on 13, you end up with 7. Under the same formula, 2352 becomes 16, 246 becomes 14, 700 turns into 16, and 1030 becomes 14. What would 9304 become?
Coin Problem
Given 12 coins, one of which is false with a different weight. Determine in the minimum number of weighings which one is false and whether it’s lighter or heavier than the rest.
Birthday Paradox
There are 20 people in a room. What is the probability that two of them will have the same birthday?
Math algorithm in programming
It is often overlooked how much math there is in programming and computer science. For example, my newest site http://www.mmlol.com uses a dynamic sorting and ranking algorithm to determine the most relevant funny links. mmlol is a collection of user submitted links … Continue reading
Riddle Batch of the day!
1) A man was to be sentenced, and the judge told him, “You may make a statement. If it is true, I’ll sentence you to four years in prison. If it is false, I’ll sentence you to six years in … Continue reading