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CAT Questions | CAT LR DI

Data Interpretation for CAT | DI: Bar Graphs

CAT DI LR section has become increasingly tough beginning from 2015. However, Understanding the basics of Bar graphs, Pie Charts, Multiple graphs, Line Graphs etc forms an integral part of solving tougher CAT level DI LR questions for the CAT Exam. This question is from DATA Interpretation for CAT - Bar Graphs.

DI Bar Graphs: Stacked Bar Graphs

The following chart gives the revenue share of different companies in the tech sector in Cuckooland. :

Data Interpretation: Bar Graphs

Question 2: In 2002, the growth rate of the overall sector was 39%, what was the growth rate seen by SCT?

  1. 50%
  2. 75%
  3. 30%
  4. 40%

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Explanatory Answer

Method of solving this Question on Data Interpretation for CAT

Note that we have done a very detailed analysis of how to go about solving stacked bar charts (similar to pie charts in many ways) in the solution to question 1 in this set. So, kindly go through that to get more insights. Let 2002 revenues be Z, and let 2001 revenues be Y. We know \\frac{Z}{Y}\\)=1.39.

Growth rate of SCT is \\frac{22.8}{21.1}\\)% * \\frac{Z}{Y}\\)-1 expressed as a percentage.

Or, \\frac{22.8}{21.1}\\) x 1.39 - 1 = 1.5 - 1 = 0.5.

There was a 50% growth rate.

The question is "what was the growth rate seen by SCT?"

Hence, the answer is "50%".

Choice A is the correct answer.

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