by Prasad Sawant | Oct 16, 2015 | Quant

In the last article on Simple and Compound Interest, we looked at the basic concepts of simple interest and compound interest. We will continue this topic and understand the concept of installments. What’s an installment? It is a sum of money due as one of several...
by Sriram Krishnan | Oct 14, 2015 | Verbal

As per the principle of parallelism/parallel structures, comparable parts of the sentence must be structurally and logically similar. To construct a sentence that is parallel in structure, all phrase, verbs, clauses and other elements must be parallel to each other....
by Shashank Prabhu | Oct 13, 2015 | Quant

Derangement is a concept in which, the questions essentially consist of de-arranging items i.e. if there is a particular relation between two objects, it has to be avoided while forming the arrangements. The questions are easy to pick and require only a couple of...
by Sriram Krishnan | Oct 13, 2015 | Quant

We will look at finding the maxima/minima using the AM-GM inequality in this article. This is part of the article series we are doing in the run up to CAT 2015. Here are the other articles in this series: 75 Days to CAT. Concept If we have 2 numbers ‘a’ and ‘b’, the...
by Shashank Prabhu | Oct 13, 2015 | Quant

Probability brings along with it a certain amount of dreadfulness. Even the most confident of aspirants will probably (what else) think twice before marking an option for a permutations and combinations or a probability question. While thinking about probability...