CAT 2019 Question Paper | Quants Slot 2

CAT Questions

Arithmetic is one of the parts of the Quantitative Ability section of the CAT exam which needs the utmost attention and thoroughness in your preparation. This topic consitutes about 50% of the section. The best way to make sure that you are excelling in your online CAT preparation is to practice CAT previous year paper religiously. They will prepare you for the curveballs the CAT Question Paper is infamous to throw at CAT aspirants and hence give an edge to your CAT preparation online. Do not get caught off guard during the exam, prepare well! Start right away with this question from CAT 2019 Question Paper Slot 2.

Question 9 : In 2010, a library contained a total of 11500 books in two categories - fiction and non-fiction. In 2015, the library contained a total of 12760 books in these two categories. During this period, there was 10% increase in the fiction category while there was 12% increase in the non-fiction category. How many fiction books were in the library in 2015?

1. 6600
2. 6160
3. 6000
4. 5500

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Video Explanation

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Explanatory Answer

Increase in books = 12760 - 11500 = 1260
+ x (11500 - x) = 1260
10x + 12 x 11500 - 12x = 126000
x = 6000 books
So, Fiction books in 2015, 6000 + 600 = 6600 books

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The question is "In 2010, a library contained a total of 11500 books in two categories - fiction and non-fiction. In 2015, the library contained a total of 12760 books in these two categories. During this period, there was 10% increase in the fiction category while there was 12% increase in the non-fiction category. How many fiction books were in the library in 2015? "

Hence, the answer is 6600

Choice A is the correct answer.