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.
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 and is a lawyer. F is the grandmother of D. Who is the grandfather of D?
A.
A
B.
B
C.
E
D.
F
Solution
E is the father of D, making him the grandfather of 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 son of A and B. D is the sister of A. E is the father of C. F is the mother of D. How is E related to B?
A.
Father-in-law
B.
Brother-in-law
C.
Son
D.
Uncle
Solution
E is the father of C, who is the son of A and B, making E the father-in-law of B.
Q. In a family of six members, A is the father of B, C is the mother of B, D is the brother of B, and E is the sister of B. F is the grandfather of B. Who is the youngest?
A.
A
B.
B
C.
C
D.
D
Solution
B is the youngest as all others are either parents or siblings.
Q. In a family of six members, if A is the father of B, and B is the brother of C, who is the mother of D, who is the sister of E. How many males are there in the family?
A.
2
B.
3
C.
4
D.
5
Solution
A is male (father), B is male (brother), and C is female (sister). Thus, there are 2 males.
Q. In a family, if the father is older than the mother, and the son is younger than the mother but older than the daughter, who is the youngest? (2023)
A.
Father
B.
Mother
C.
Son
D.
Daughter
Solution
The order of age is Mother > Son > Daughter. Therefore, the Daughter is the youngest.
Q. In a family, the ages of the siblings are as follows: X is older than Y but younger than Z. W is younger than X but older than V. Who is the oldest sibling? (2023)
A.
X
B.
Y
C.
Z
D.
W
Solution
The order of ages is Y < V < W < X < Z. Therefore, Z is the oldest sibling.
Q. In a family, there are three generations. The grandfather has two sons, each of whom has two children. If the grandfather has a total of six grandchildren, how many children does he have? (2023)
Q. In a family, there are three generations. The grandfather is a lawyer, the father is a doctor, and the son is a student. If the grandfather has two sons, one of whom is the father, what is the profession of the other son? (2023)
A.
Lawyer
B.
Doctor
C.
Engineer
D.
Unemployed
Solution
The other son must also be a lawyer, as he is the brother of the father who is a doctor.
Q. In a family, there are two parents and three children. If the father is a teacher and the mother is a doctor, what is the profession of the eldest child if he is studying engineering? (2023)
A.
Teacher
B.
Doctor
C.
Engineer
D.
Student
Solution
The eldest child is studying engineering, so he is an engineer.
Q. In a family, there are two parents and three children. The father is a teacher, and the mother is a doctor. If the eldest child is a student, what is the profession of the youngest child?
A.
Teacher
B.
Doctor
C.
Student
D.
Unemployed
Solution
The youngest child is likely unemployed as they are not mentioned to have a profession.
Q. In a family, there are two parents and three children. The mother is a doctor, and the father is an engineer. If the eldest child is a student, what is the profession of the youngest child?
A.
Doctor
B.
Engineer
C.
Student
D.
Not specified
Solution
The profession of the youngest child is not specified.
Q. In a family, there are two parents and three children. The mother is a teacher, and the father is an engineer. If one child is a doctor and the other two are students, what is the profession of the third child? (2023)
A.
Teacher
B.
Engineer
C.
Doctor
D.
Student
Solution
The third child must be a student, as stated in the question.
Q. In a family, there are two parents and three children. The parents are not siblings. If the father is a teacher and the mother is a doctor, what is the relationship of the children to the parents? (2023)
A.
Siblings
B.
Cousins
C.
Friends
D.
Neighbors
Solution
The children are siblings to each other and children of the parents.
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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