CAT 2017: Geometry Theorems #2

In this article, we will be looking at some of the basic theorems of straight lines and triangles. In most of the Geometry based questions in competitive tests, theorems offer the starting point of the solution. Over the next few articles, we will be exploring all the...

CAT 2017: Geometry Theorems #1

In this article, we will be looking at some of the basic theorems of straight lines and triangles. In most of the Geometry based questions in competitive tests, theorems offer the starting point of the solution. Over the next few articles, we will be exploring all the...

Concept: Factorions

What are factorions? Factorions are integers which are equal to the sum of factorials of their digits. “Factorion” is a name coined by author Clifford A. Pickover in his book Keys to Infinity in a chapter titled “The Loneliness of the...
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