by Prasad Sawant | Sep 27, 2015 | Quant
What is the angle between the two hands of the clock at 5.40? Sounds familiar? In almost every competitive exam, you will find either a direct question or a question based on application of clocks. All these questions, in reality, are application of circular motion...
by Shashank Prabhu | Sep 26, 2015 | Quant
This is a concept known to a lot of aspirants but very few tend to think beyond the basic formulae that are present. The questions are generally in an almost unrecognizable format or are a bit different than the textbook questions one has ‘prepared’ for. In this...
by Shashank Prabhu | Sep 24, 2015 | Quant
The concept is probably the easiest to understand as it deals with the basics of counting but is found to be confusing by many aspirants. Let us take a look at the concepts of conversion of bases and also a few question types that appeared in previous year CAT papers...
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...
