Rajesh Balasubramanian

QuestionConsider a set of numbers from 1 to 751. How many Arithmetic Progressions can be formed from this set of numbers such that the first term is 1 and the last term is 751 and the AP has at least 3 terms.Solution Numbers from 1 to 751 such that the first

Websites/PublicationsThe EconomistThe Economist is a fabulous publication. They write on all kinds of international affairs. They deal with politics, economics, culture, art, sport, books — the works. Their writing style is fabulous. They write crisp articles with near perfect grammar.Their style guide is awesome( take a look ). Their article on short

Why have we titled this piece the “Definitive Reading list for CAT Preparation ( Reading Comprehension)”? No particular reason. We thought of saying “Perhaps a decent starting habit to build a reading habit”. That’s not quite appealing, is it?When I started writing this, I thought it would be a short

Recently, we had sent an email with a logical reasoning puzzle with discounts promised to those who solved it correctly. Though this puzzle doesn’t explicitly test concepts in Number Theory, solving it will require the use of concepts which will help you eliminate some cases, thereby easing the process of