Q. In a constraint-based set, if the constraints are modified to include only even numbers, which of the following would be the new set if the original set was {1, 2, 3, 4, 5, 6}?
A.
{2, 4, 6}
B.
{1, 3, 5}
C.
{1, 2, 3, 4, 5}
D.
{2, 3, 4, 5, 6}
Solution
The new set would be {2, 4, 6} as it includes only the even numbers from the original set.
Q. In a cooking competition, Chef A's dish is rated higher than Chef B's but lower than Chef C's. Chef D's dish is rated lower than Chef A's but higher than Chef B's. What is the correct order of the dishes from highest to lowest? (2023)
A.
C, A, D, B
B.
C, D, A, B
C.
A, C, D, B
D.
D, C, A, B
Solution
The order is C > A > D > B based on the given ratings.
Q. In a cooking competition, chefs A, B, C, D, and E are ranked based on their dishes. A's dish is better than B's but worse than C's. D's dish is better than E's but worse than A's. Who has the best dish? (2023)
A.
A
B.
B
C.
C
D.
D
Solution
The ranking is C > A > B and A > D > E. Thus, C has the best dish.
Q. In a cooking competition, chefs A, B, C, D, and E are ranked. A is ranked higher than B and C, but lower than D. E is ranked lower than A. What is the correct ranking from highest to lowest?
A.
D, A, B, C, E
B.
D, A, E, B, C
C.
A, D, B, C, E
D.
E, D, A, B, C
Solution
The ranking is D > A > B/C > E, making the correct order D, A, B, C, E.
Q. In a cooking competition, chefs M, N, O, P, and Q are ranked based on their dishes. M is ranked higher than N but lower than O. P is ranked lower than M but higher than Q. What is the correct order from highest to lowest rank? (2023)
A.
O, M, N, P, Q
B.
O, N, M, P, Q
C.
M, O, N, P, Q
D.
P, Q, O, M, N
Solution
The correct order based on the given information is O > M > N > P > Q.
Q. In a cooking competition, if Chef A's dish is rated higher than Chef B's but lower than Chef C's, and Chef D's dish is rated lower than Chef A's but higher than Chef E's, who has the best dish?
Q. In a debate competition, the order of speakers is determined as follows: Speaker A speaks before Speaker B, who speaks after Speaker C. Speaker D speaks after Speaker A but before Speaker C. Who speaks first?
A.
A
B.
B
C.
C
D.
D
Solution
A speaks first, followed by D, then C, and finally B.
Q. In a debate competition, the order of speakers is determined by their scores. If A scores higher than B and C, but lower than D, and E scores lower than A but higher than B, who is the second speaker?
A.
A
B.
B
C.
C
D.
D
Solution
The order is D > A > E > B > C, making A the second speaker.
Q. In a debate competition, the speakers A, B, C, D, and E are ranked based on their performance. A is ranked higher than B but lower than C. D is ranked lower than E but higher than A. What is the correct order of ranking from highest to lowest? (2023)
A.
C, A, B, D, E
B.
C, E, D, A, B
C.
E, D, C, A, B
D.
C, E, D, B, A
Solution
From the clues, we have C > A > B and E > D > A. Thus, the order is C > E > D > A > B.
Q. In a debate competition, the speakers A, B, C, D, and E are ranked based on their performance. A is ranked higher than B but lower than C. D is ranked lower than E but higher than A. What is the correct order from highest to lowest rank?
A.
C, A, B, D, E
B.
C, E, D, A, B
C.
E, C, A, D, B
D.
C, E, D, B, A
Solution
The order is C > A > B and E > D > A. Thus, the correct order is C, E, D, A, B.
Q. In a double-elimination tournament, a team is eliminated after losing two matches. If there are 8 teams, what is the minimum number of matches needed to declare a winner?
A.
14
B.
15
C.
16
D.
13
Solution
In a double-elimination tournament, the minimum number of matches needed is 2n - 2, where n is the number of teams. For 8 teams, it is 2(8) - 2 = 14.
Q. In a family of five members, A is the father of B, who is the brother of C. D is the mother of E, who is the sister of B. Who is the youngest? (2023)
A.
A
B.
B
C.
C
D.
E
Solution
From the relationships, E is the youngest as she is the sister of B and C.
Q. In a family of five members, if the grandmother is older than the mother, who is older than the son, and the daughter is younger than the son, who is the youngest?
A.
Grandmother
B.
Mother
C.
Son
D.
Daughter
Solution
The daughter is the youngest since she is younger than the son.
Q. In a family of four, there are two parents and two children. The father is a lawyer, and the mother is a doctor. If one child wants to be a lawyer and the other a doctor, what profession does the mother have? (2023)
Q. In a family of six members A, B, C, D, E, and F, A is the father of B, C is the mother of B, D is the brother of B, E is the sister of B, and F is the grandfather of B. How is D related to F?
A.
Grandson
B.
Son
C.
Brother
D.
Nephew
Solution
D is the grandson of F as F is the grandfather of B, and D is B's brother.
Q. In a family of six members A, B, C, D, E, and F, A is the mother of B, C is the father of D, and E is the sister of B. If F is the brother of C, how is E related to C?
A.
Sister
B.
Cousin
C.
Daughter
D.
Niece
Solution
E is the sister of B, who is the child of A and C, making E a cousin to D.
Q. In a family of six members A, B, C, D, E, and F, A is the mother of B. C is the father of B. D is the brother of B. E is the sister of B. F is the grandfather of B. How is D related to C?
A.
Son
B.
Daughter
C.
Father
D.
Mother
Solution
D is the brother of B, and since C is the father of B, D is the son of C.
Q. In a family of six members A, B, C, D, E, and F, A is the mother of B. C is the father of D. E is the sister of B. F is the brother of C. How is E related to D?
A.
Sister
B.
Cousin
C.
Aunt
D.
Niece
Solution
E is the sister of B, who is the child of A and C, making E a cousin to D.
Q. In a family of six members A, B, C, D, E, and F, there are two married couples. A is a doctor and is married to B. C is the teacher and is the sister of D. E is the father of D. Who is the mother of D? (2023)
A.
A
B.
B
C.
C
D.
E
Solution
B is the mother of D as A is married to B and A is the father.
Q. In a family of six members A, B, C, D, E, and F, there are two married couples. A is a doctor and is married to B. C is the teacher and is the sister of D. E is the father of A. F is the son of D. How is F related to B? (2023)
A.
Son
B.
Nephew
C.
Grandson
D.
Brother
Solution
F is the son of D, who is the brother of A. Therefore, F is the grandson of B.
Q. In a family of six members A, B, C, D, E, and F, there are two married couples. A is a doctor and is married to B. C is the son of A and B. D is the daughter of B. E is the sister of A. F is the brother of C. How is D related to E? (2023)
A.
Cousin
B.
Sister
C.
Aunt
D.
Niece
Solution
D is the daughter of B, who is the sister of E, making D the niece of E.
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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