CAT Exam > CAT Notes > 100 DILR Questions for CAT Preparation > Practice Question - 70 (Connected Data Sets)
Practice Question - 70 (Connected Data Sets) | 100 DILR Questions for CAT Preparation PDF Download
There are 6 refineries, 7 depots and 9 districts. The refineries are BB, BC, BD, BE, BF and BG. The depots are AA, AB, AC, AD, AE, AF and AG. The districts are AAA, AAB, AAC, AAD, AAE, AAF, AAG, AAH, and AAI. Table A gives the cost of transporting one unit from refinery to depot. Table B gives the cost of transporting one unit from depot to a district.
Q1: What is the least cost of sending one unit from any refinery to any district?
(a) 95.2
(b) 0
(c) 205.7
(d) 284.5
View Answer 
Ans: (b)
The least cost of sending one unit is from BC to AC and Then to AAC which is 0.
Hence option (b).
Q2: What is the least cost of sending one unit from any refinery to the district AAB?
(a) 0
(b) 284.5
(c) 95.2
(d) None of these
View Answer Ans: (a)
The least cost of sending one unit from any refinery to the district AAB is from BD to AE and then from AE to AAB. The whole cost is 0.
Hence option (a).
Q3: What is the least cost of sending one unit from refinery BB to any district?
(a) 284.5
(b) 311.8
(c) 451.1
(d) None of these
View Answer Ans: (b)
Route for least cost of sending one unit from refinery BB to any district, would be first from BB to AB and then from AB to AAC.
Hence total cost 311.8 + 0 = 311.8
Q4: What is the least cost of sending petrol from refinery BB to district AAA?
(a) 765.6
(b) 1137.3
(c) 1154.3
(d) None of these
View Answer Ans: (d)
From the table, we can observe that the minimum cost of sending oil fro BB to AAA is via AB. Hence the total cost is 311.8+205 = 516.8
Q5: How many possible ways are there for sending petrol from any refinery to any district?
(a) 63
(b) 42
(c) 54
(d) 378
View Answer Ans: (d)
1 refinery can be selected among 7 in 7 ways, depots can be further selected in 6 ways and any district ca be selected in 9 different ways.
So, answer is 7*6*9 = 378
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FAQs on Practice Question - 70 (Connected Data Sets) - 100 DILR Questions for CAT Preparation
| 1. What are connected data sets and why are they important in data analysis? |  |
Ans. Connected data sets refer to data that is linked or related through common attributes or identifiers, allowing for more comprehensive analysis. They are important because they enable analysts to draw insights from multiple sources, improve data accuracy, and reveal hidden patterns that may not be visible in isolated data sets.
| 2. How can connected data sets enhance decision-making in businesses? | |
Ans. Connected data sets enhance decision-making by providing a holistic view of information, enabling businesses to identify trends, forecast outcomes, and make informed decisions. By analyzing interconnected data, companies can optimize operations, improve customer experiences, and increase efficiency.
| 3. What are some common challenges faced when working with connected data sets? | |
Ans. Common challenges include data integration issues, data quality concerns, and difficulties in ensuring data privacy and security. Additionally, stakeholders may face obstacles in standardizing data formats and overcoming technical barriers related to data interoperability.
| 4. In what ways can technology facilitate the use of connected data sets? | |
Ans. Technology facilitates the use of connected data sets through advanced analytics tools, data visualization software, and machine learning algorithms. These technologies help in automating data integration processes, enhancing data accessibility, and providing real-time insights that can drive better outcomes.
| 5. What best practices should be followed when managing connected data sets? | |
Ans. Best practices include ensuring data quality and accuracy, employing robust data governance frameworks, and utilizing standardized data formats for integration. Additionally, regular audits and updates of data sources, along with user training on data management, are essential for maintaining effective connected data sets.
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Sep 10, 2025
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