Line Chart basic concept for CAT exam.

CAT stands for common aptitude test. CAT Line Chart is important and useful in logical section. This topic is an integral part of many competitive exams. An aspirants could except few questions from this topic. As Logical reasoning section contain a total of 20 questions and out of that few questions are from Line Chart . A Logical Reasoning & Data Interpretation contains 30% weightage in CAT exams.

Questions from this section are frequently asked as per pervious paper analysis. To solve the questions based on Line Chart in CAT, candidates first have to understand the concept. Questions requires a candidate to develop a logical approach towards solving questions.

We can solve questions easily if candidate pay attention while reading the question. Read the article to know more about some tricks, concepts, and solved sample questions. Generally, CAT questions are based on the given data, you need to figure out the actual category of persons.

A line graph, also called a line chart is one of the basic charts to represent a set of data pictorially. In line graphs, a straight line segment connects data points (called markers), to represent a continuous change over a period of time. Since the data points show the information, line graphs are also known as point to point graphs.

As line graphs show continuous change, they are basically use to compare changes. Over the same period of time for more than one group. Generally, independent data (or variable) is rendered in the horizontal axis. Whereas, the dependent variables are place in the vertical axis. For example will explain this topic in a better way.

One should never ignore line graph topics as most of the questions are easily solvable and scoring. Some important tips is show in the below to help the individuals prepare and attempt line graph questions easily and efficiently.

To solve line graphs, some basic mathematical concepts. For example like percentages, profit and loss, etc. are to be require. Be thorough with those basic maths concepts and their related formulas beforehand. By getting well versed with the basics, one can also get confident in using shortcuts while solving the line graph questions in the CAT exam.

To excel in solving line-graph questions, proper practice is extremely important. It is suggested to practice several variations of line graph questions to be able to tackle any question from this topic easily. Also, solve previous year questions and take mock tests to get completely acquainted with these questions.

It is important to use approximations in certain conditions to be able to solve questions much faster. Several questions can be solved by just approximating certain values and choosing the closest option. Apart from shortcuts, it is always suggested to use shortcut techniques. Wherever possible to be able to solve the questions in a faster and effective way.

Often, a question can be easily solve. Just by just analyzing the graph properly. For example of this has been explained in one of the above examples (question 4). So, it is suggested to look at the graph properly, especially the slope of the graph. By seeing the slope, one can easily understand the trend of the graph at that point (positive or negative) and answer certain questions easily.

Here’s why line charts are an important part of the CAT and other competitive exams:

The question is “What was the total revenues in 2011?”

Hence, the answer is “Rs. 725 Crores”.

Choice B is the correct answer.

The question is “In the year 2013, what was the share of revenues of the division Pharma?”

Hence, the answer is “22%”.

Choice D is the correct answer.

The maximum year on growth rate is in 2009.

We could have obtained this by scanning at the growth rate graph as well. The Pharma number is off the charts and all 4 growth rates are positive. The 21% growth rate in Technology is also pretty high. So, here was an easy question that we have gone about in a roundabout fashion.

The question is “Which year saw the highest percentage growth in revenues overall?”

Hence, the answer is “2009”.

2009 is the correct answer.

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