Time and work Questions

We’ll look at the relative rate concept  of work, rate and time – the parallel of relative speed of distance, speed and time. But before we do that, we will first look at one fundamental principle of work, rate and time (which has a parallel in distance, speed and time). Say, there is a straight long track with … Read more

Don’t save what doesn’t want to be saved!

One of the most common misconceptions that CAT examinees have about the exam is that, while on quantitative questions, only one answer can be correct and everything else is wrong, on verbal questions “my wrong answer was good, but maybe not the best.” It is critical to realize that on CAT verbal questions, exactly one answer … Read more

Solving the hour glass puzzle

First, understand what an hourglass is – it is a mechanical device used to measure the passage of time. It is comprised of two glass bulbs connected vertically by a narrow neck that allows a regulated trickle of sand from the upper bulb to fall into the lower one. The sand also takes a fixed amount … Read more

Critical Reasoning: Discrepancy problems

The CAT Critical Reasoning question type “Explain a Discrepancy” has a very specific goal. If you know what your goal is, you’ll be much more likely to answer the question correctly. If you don’t, it can be very easy to get turned around and fall into a trap. Try this problem then we’ll talk about … Read more

Test Cases on Theory Problems

Try this  problem: * ” If xy + z = x(y + z), which of the following must be true? “(A) x = 0 and z = 0 “(B) x = 1 and y = 1 “(C) y = 1 and z = 0 “(D) x = 1 or z = 0 How did it … Read more

Improving at Quants word problems

There are Two types of questions that you may encounter in the Quants Section of CAT. The first type contains all the short length-ed  questions which may come mostly from algebra section. The second type contains all the word problems, arithmatics section dominates this type. In this type of questions, the test makers not only … Read more

Ratios- introduction

Before getting into the topic,try this question: The owner of a pet store sells only two types of pets: donkeys and  mountain lions. In the store the ratio of donkeys to lions is 3:7. What do you know? For every 3 donkeys you have 7 lions. When you get a ratio, it actually contains a … Read more

CYCLICITY OF NUMBERS (SHORT CUT TECHNIQUE)

For the concept of identifying the unit digit, we have to first familiarize with the concept of cyclicity. Cyclicity of any number is about the last digit and how they appear in a certain defined manner. Let’s take an example to clear this thing: The cyclicity chart of 2 is: 21 =2 22 =4 23 … Read more

Girl Power at IIM Calcutta 30% of intake.

  KOLKATA: The Indian Institute of Management’s KOLKATA branch has registered a two-fold rise over last year in the number of women admitted for the 2017-19 batch. With women accounting for 31% of the new students, this batch boasts of the highest female representation at IIM-C to date. This is also the strongest girl squad … Read more

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