Q. In a class of students, M is ranked higher than N but lower than O. P is ranked lower than M but higher than Q. What is the rank order from highest to lowest? (2023)
A.
O, M, P, N, Q
B.
O, M, N, P, Q
C.
M, O, P, N, Q
D.
O, P, M, N, Q
Solution
The correct order is O > M > P > N > Q based on the rankings provided.
Q. In a class of students, some are studying Mathematics, some are studying Science, and some are studying both. If 20 students study Mathematics, 15 study Science, and 5 study both, how many students study only Mathematics? (2023)
Q. In a class of students, there are three boys and two girls. If the boys are A, B, and C, and the girls are D and E, who is sitting next to A if B is sitting next to D?
Q. In a class of students, there are three types of students: those who study Mathematics, those who study Science, and those who study both. If 40% study Mathematics, 30% study Science, and 10% study both, what percentage of students study only Mathematics? (2023)
A.
30%
B.
40%
C.
10%
D.
20%
Solution
The percentage of students studying only Mathematics is 40% - 10% = 30%.
Q. In a class of students, there are three types of students: those who study science, those who study arts, and those who study commerce. If 40% study science, 30% study arts, and the rest study commerce, what percentage of students study commerce? (2023)
A.
30%
B.
20%
C.
10%
D.
50%
Solution
30% study arts and 40% study science, leaving 30% for commerce.
Q. In a class of students, X is taller than Y but shorter than Z. W is shorter than X but taller than V. If V is the shortest, who is the tallest? (2023)
Q. In a class, there are five students: X, Y, Z, W, and V. X is taller than Y but shorter than Z. W is shorter than V. If Z is the tallest, who is the second tallest?
A.
X
B.
Y
C.
W
D.
V
Solution
Since Z is the tallest and X is taller than Y but shorter than Z, X is the second tallest.
Q. In a competition, A ranked higher than B, but lower than C. D ranked lower than A but higher than E. If E is the lowest, who is the second highest? (2023)
A.
A
B.
B
C.
C
D.
D
Solution
The ranking is C > A > D > B > E. Therefore, A is the second highest.
Q. In a competition, the following students ranked as follows: Alice is ranked higher than Bob but lower than Charlie. David is ranked lower than Alice but higher than Eve. Who is ranked the highest? (2023)
A.
Alice
B.
Bob
C.
Charlie
D.
David
Solution
The ranking is Charlie > Alice > David > Eve > Bob. Therefore, Charlie is ranked the highest.
Q. In a constraint-based set of colors, if red and blue are included, which of the following colors could be excluded based on the constraint of primary colors?
A.
Green
B.
Yellow
C.
Purple
D.
Orange
Solution
Purple is a secondary color formed by mixing red and blue, thus it could be excluded if only primary colors are considered.
Q. In a constraint-based set, if the constraints are 'x is a positive integer and x is less than 10', which of the following is the largest element in the set?
A.
8
B.
9
C.
10
D.
7
Solution
The largest element in the set defined by the constraints is '9', as it is the largest positive integer less than 10.
LRDI (Logical Reasoning and Data Interpretation) is a crucial component of various competitive exams, including the CAT. Mastering this subject can significantly enhance your problem-solving skills and boost your exam scores. Practicing MCQs and objective questions in LRDI helps you familiarize yourself with the question patterns, enabling you to tackle important questions with confidence during your exam preparation.
What You Will Practise Here
Understanding different types of data interpretation graphs and charts
Logical reasoning puzzles and their solutions
Key concepts of sets, Venn diagrams, and their applications
Critical reasoning and argument analysis
Data sufficiency questions and techniques
Caselet-based questions for real-world problem solving
Formulas and shortcuts for quick calculations
Exam Relevance
LRDI is not only essential for the CAT but also appears in various other exams such as CBSE, State Boards, NEET, and JEE. In these exams, you may encounter questions that require you to analyze data sets, interpret graphs, or solve logical puzzles. Common question patterns include multiple-choice questions that assess your ability to draw conclusions from given data, making it vital to practice LRDI (CAT) MCQ questions to excel.
Common Mistakes Students Make
Misinterpreting data from graphs or charts, leading to incorrect answers
Overlooking key information in logical reasoning puzzles
Failing to apply the correct formulas in data interpretation questions
Rushing through questions without proper analysis
Neglecting to practice caselets, which can be tricky
FAQs
Question: What are LRDI (CAT) objective questions with answers? Answer: These are multiple-choice questions designed to test your understanding of logical reasoning and data interpretation concepts, often accompanied by detailed solutions.
Question: How can I improve my LRDI skills for exams? Answer: Regular practice of important LRDI (CAT) questions for exams, along with reviewing your mistakes, can significantly enhance your skills.
Start solving practice MCQs today to strengthen your understanding of LRDI concepts and boost your confidence for the upcoming exams. Remember, consistent practice is the key to success!
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