GATE CS 2014 Set 2 — Question 9
Go beyond PYQs with Success TrackerAI-powered personalised practice and doubt support. Unlimited practice on eligible plans; AI usage limits apply.NAT+2 / -0MediumData Interpretation (Bar, Pie, Graphs, Tables)Quantitative AptitudeGeneral AptitudeRatios, Percentages, Powers, Exponents & Logarithms
General Aptitude → Quantitative Aptitude → Data Interpretation (Bar, Pie, Graphs, Tables)
Last updated
Question
The ratio of male to female students in a college for five years is plotted in the following line graph. If the number of female students doubled in 2009, by what percent did the number of male students increase in 2009?
Correct answer
140 to 140
Solution
From the graph, we can read the ratio of male to female students () for each year:
In 2008, Ratio
In 2009, Ratio Let the number of female students in 2008 be .
Then, .It is given that the number of female students doubled in 2009.
So, .Now, calculate the number of male students in 2009:
.The increase in the number of male students is:
.The percentage increase is:
.
In 2008, Ratio
In 2009, Ratio Let the number of female students in 2008 be .
Then, .It is given that the number of female students doubled in 2009.
So, .Now, calculate the number of male students in 2009:
.The increase in the number of male students is:
.The percentage increase is:
.
Continue learning with Success Tracker
A step still unclear? Work through it with support
Use Success Tracker to ask about the reasoning, then try another GATE CS question to check your understanding.
AI-powered practice· Unlimited practice on eligible plans
- PYQs with solutions
- Attempt available previous-year questions, then compare your reasoning with the worked solution. Coverage varies by stream.
- Practice that adapts
- Choose a topic, work on weaker areas and bookmark questions to revisit. Your attempts feed your progress tracking.
- AI doubt support
- Ask follow-up questions about a step or concept while practising, instead of stopping at the final answer.
Unlimited practice is available on eligible plans. Free practice and AI usage have limits; check the current plan allowances before choosing.
This page stays readable without an account. AI responses can be wrong; check them against the solution and source material.
More questions on Quantitative Aptitude
2026 Set 1 Q1The antonym of the word protagonist is ________.2026 Set 2 Q1Expedite, Hasten, Hurry, __________ Fill the blank by choosing a word with a meaning similar to…2026 Set 2 Q2A black square PQRS has been cut into two parts. One part of it is shown in Panel I. Which one of…2026 Set 1 Q2The figure shows two 4-tile patterns. [figure] Either one or both of the patterns can be used any…2026 Set 1 Q3Consider a knock-out women’s badminton singles tournament where there are no ties. The loser in…