by Shashank Prabhu | Sep 23, 2015 | Strategy
Over the last few days, I have been traveling around the country, interacting with a lot of CAT 2015 aspirants. While there have been quite a few direct content and macro-level strategy queries, a lot of aspirants worry about maintaining high level of concentration...
by Prasad Sawant | Sep 23, 2015 | Quant
In this article, we will be looking at rules of indices and surds. Laws of indices 1. am × an = a(m + n) e.g. 23 × 24 = 2(3 + 4) = 27 2. am ÷ an = a(m – n) e.g. 28 ÷ 25 = a(8 – 5) = 23 3. (am)n = amn e.g. (22)3 = 26 4. a0 = 1 5. a-1 = 1/a 6. a-m = 1/am...
by Shashank Prabhu | Sep 22, 2015 | Quant
One of the most common yet neglected topics is that involving LCM (Least common multiple) and HCF (Highest common factor) or GCD (Greatest common divisor). The questions look very easy and test basic concepts but then students tend to somehow get confused and overlook...
by Shashank Prabhu | Sep 21, 2015 | Quant
Over the last few years, almost every CAT paper has had anywhere ranging from 1-2 questions from the topic involving the concept of special division type of either of an+bn or an-bn. While the concept is pretty easy to grasp and apply, many students make careless...
by Sriram Krishnan | Sep 20, 2015 | Verbal
Commonly confused words are a common feature of CAT vocabulary questions and are among the comparatively easier questions to crack. In these questions, there are usually five sentences given with each sentence having a pair of words highlighted. From the highlighted...
