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Tips and Tricks: Ranking | Logical Reasoning (LR) and Data Interpretation (DI) - CAT PDF Download

Tips and Tricks: Ranking | Logical Reasoning (LR) and Data Interpretation (DI) - CAT

How to Solve Order and Ranking Reasoning Questions - Tips and Tricks 

Candidates can find various tips and order and ranking reasoning tricks from below for solving the questions that may come in govt. competitive exams:

  • Tip 1: The position can be from either side of the row, and the rank is always from top or bottom of the row. 
  • Tip 2: Candidates can calculate the total number of persons in a row or column by using the formula: 
    Total Person = Rank from left + Rank from right – 1
  • Tip 3: For non-overlapping type questions
    The number of persons between two people = Total number of persons Sum of positions of two different people from opposite sides. 
  • Tip 4: For overlapping type questions, 
    The number of persons between two people = Sum of positions of two different persons from opposite end total number of persons – 2
  • Tip 5: The Condition for overlapping is that the sum of the positions of the two persons from opposite ends > the total number of persons
  • Tip 6: Do not read the complete banking question paper in one go; read sentence by sentence and construct the logic accordingly.
  • Tip 7: Consider all possible cases, but discard all except the correct one at the end to get the correct order or ranking.

Question for Tips and Tricks: Ranking
Try yourself:In a row of students, R is 12th from the left end and S is 8th from the right end. If there are 5 students between R and S, then how many students are there in the row?
View Solution

Solved Examples

Que1: In a row of 60 cars, car A is 32nd from the right end. What is its position from the left end?

Ans: Position from left end = (Total number of cars + 1) – Position from right end 
Position from left end = (60 + 1) – 32 = 61 – 32 = 29. 
Hence, the position of car A from left end is 29.

Que2: Radha selected the 27th card from the left in a row of 50 cards. What will be the position of the same card from the right?

Ans: Total number of cards = Position of the card from right + Position of the card from left – 1
50 = Position of Radha’s card from right + 27 – 1 
Position of Radha’s card from right = 50 – 27 + 1 = 24. 
Hence, the position of the card from the right end is 24.

Que3: Radhika ranks 16th from the top and 13th from the bottom in a certain examination. How many students are there in the class?

Ans: Number of students in the class = 16 + 13 – 1 = 29 – 1 = 28.
Hence, “28” is the correct answer.

Que4: In a row of 54 persons, A is 35 from left side and B is 22 from right. Find the total number of persons between them.

Ans: 35 + 22 = 57 > total number of persons i.e. 54
Total number of persons between them = (35 + 22) – 54 –2 = 1 
Hence, there is only one person between them.

Que5: In a School, there are 147 people, the ratio of girls : boys is 1:6. Soumya is a girl who stands 15th from the top of that row and 7 girls are in front of her. How many boys are behind her?

Ans: Total number of students = 147
Girls : Boys = 1:6
x + 6X =147
7X = 147
X = 21
Girls = 21 and boys = 126
Now, Soumya is in 15th position from the top and 7 girls are in front of her.
No,w boys are behind him = 7 as total14 students are in front of him.
So, the number of boys, behind him is 126 – 7 = 119
Hence, the correct answer is 119.

Question for Tips and Tricks: Ranking
Try yourself:If the position of A from the left side of a row is 15th and position of B from the right side of a row is 19th and only 1 person is sitting in the middle of A & B. Find the minimum number of persons that can be seated in this row?
View Solution

The document Tips and Tricks: Ranking | Logical Reasoning (LR) and Data Interpretation (DI) - CAT is a part of the CAT Course Logical Reasoning (LR) and Data Interpretation (DI).
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FAQs on Tips and Tricks: Ranking - Logical Reasoning (LR) and Data Interpretation (DI) - CAT

1. What are the basic principles of order and ranking reasoning?
Ans. The basic principles of order and ranking reasoning involve understanding how to arrange items based on given criteria, such as height, weight, age, or performance. It requires interpreting information accurately and using logical deduction to establish the relative positions of items or individuals in a sequence.
2. How can I improve my skills in solving ranking questions?
Ans. To improve your skills in solving ranking questions, practice regularly with different types of questions, familiarize yourself with common patterns and strategies, and work on your logical reasoning skills. Additionally, reviewing solved examples can help you understand the thought process behind arriving at the correct answer.
3. What common mistakes should I avoid when answering ranking questions?
Ans. Common mistakes to avoid include misreading the question or the information provided, overlooking crucial details, making assumptions that are not supported by the data, and failing to double-check your final rankings. Taking your time to analyze the given information thoroughly can help mitigate these errors.
4. Are there any specific strategies for tackling complex ranking questions?
Ans. Yes, specific strategies include breaking down the problem into smaller parts, creating visual aids like diagrams or tables, and systematically eliminating impossible options. Additionally, practicing with a variety of complex scenarios can help you become more comfortable with different types of ranking problems.
5. How do I manage my time effectively when solving ranking reasoning questions in exams?
Ans. To manage your time effectively, allocate a specific amount of time for each question based on its complexity, practice with timed quizzes to build speed, and prioritize questions you find easier to ensure you secure those marks first. Keeping track of time during practice sessions can also help you develop a sense of pacing for the actual exam.

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