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!
Q. A group of friends consists of three pairs of siblings: A and B, C and D, E and F. If A is older than B, and C is younger than D, who is the youngest among them? (2023)
A.
A
B.
B
C.
C
D.
D
Solution
B is the youngest as A is older than B and C is younger than D.
Q. A pie chart displays the favorite fruits of a group of people. If 15% prefer apples and the total number of people surveyed is 200, how many people prefer apples?
A.
15
B.
30
C.
45
D.
60
Solution
15% of 200 = 0.15 * 200 = 30 people prefer apples.
Q. A pie chart displays the favorite fruits of a group of people. If 35% prefer apples, 25% prefer bananas, 20% prefer oranges, and 20% prefer grapes, which fruit is the least favorite?
A.
Apples
B.
Bananas
C.
Oranges
D.
Grapes
Solution
Oranges and grapes are tied, but they are both less favored than apples and bananas.
Q. A pie chart displays the favorite fruits of a group of students. If 30% prefer apples, 25% prefer bananas, and 15% prefer oranges, what percentage prefer other fruits?
A.
30%
B.
20%
C.
25%
D.
10%
Solution
The percentage preferring other fruits is 100% - (30% + 25% + 15%) = 30%.
Q. A pie chart displays the percentage of different fruits sold in a store. If apples account for 15% of the total sales and the total sales amount to $6000, how much revenue is generated from apple sales?
Q. A pie chart displays the percentage of time spent on different activities in a day. If 25% of the time is allocated to sleeping, what is the remaining percentage for other activities?
A.
75%
B.
50%
C.
25%
D.
100%
Solution
The remaining percentage for other activities is 100% - 25% = 75%.
Q. A pie chart illustrates the percentage of time spent on various activities in a day. If 30% of the time is spent sleeping, how many hours are spent sleeping in a 24-hour day?
A.
6 hours
B.
7 hours
C.
8 hours
D.
9 hours
Solution
30% of 24 hours = 0.30 * 24 = 7.2 hours, which rounds to 8 hours.
Q. A pie chart illustrates the percentage of time spent on various activities in a day. If 'Leisure' accounts for 25% and 'Work' accounts for 50%, what can be concluded about the remaining activities?
A.
They take up 25% of the day.
B.
They are less important than leisure.
C.
They are not significant.
D.
They are more than leisure but less than work.
Solution
The remaining activities must account for the remaining 25% of the day.
Q. A pie chart illustrates the percentage of time spent on various activities in a day. If 'Work' occupies 30% of the chart, how many hours does this represent in a 24-hour day?
A.
6 hours
B.
7 hours
C.
8 hours
D.
9 hours
Solution
30% of 24 hours = 0.30 * 24 = 7.2 hours, which rounds to 6 hours for the closest option.
Q. A pie chart illustrates the percentage of time spent on various activities in a day. If 'Work' occupies 50% of the chart, which of the following statements is true?
A.
Work takes up more time than all other activities combined.
B.
Work takes up less time than all other activities combined.
C.
Work takes up exactly half the time of the day.
D.
Work takes up one-fourth of the time of the day.
Solution
If 'Work' occupies 50%, it indeed takes up more time than all other activities combined.
Correct Answer:
A
— Work takes up more time than all other activities combined.
Q. A pie chart illustrates the time spent by students on various subjects. If 15% of the time is spent on Mathematics, what is the angle in degrees representing this portion of the pie chart?
A.
54 degrees
B.
36 degrees
C.
27 degrees
D.
45 degrees
Solution
To find the angle, multiply the percentage by 360 degrees: 15% of 360 = 0.15 * 360 = 54 degrees.
Q. A pie chart illustrates the time spent by students on various subjects. If 30% of the time is spent on Mathematics and 25% on Science, what percentage of time is spent on other subjects?
A.
45%
B.
50%
C.
55%
D.
60%
Solution
The percentage of time spent on other subjects is 100% - (30% + 25%) = 45%.
Q. A pie chart illustrates the time spent by students on various subjects. If Mathematics takes up 25% of the time, what is the angle in degrees representing Mathematics on the pie chart?
A.
90 degrees
B.
60 degrees
C.
45 degrees
D.
75 degrees
Solution
The angle for Mathematics is calculated as (25/100) * 360 = 90 degrees.
Q. A pie chart illustrates the time spent by students on various subjects. If Mathematics takes up 25% of the time, what is the angle in degrees representing Mathematics?
A.
90 degrees
B.
60 degrees
C.
45 degrees
D.
75 degrees
Solution
The angle for Mathematics is calculated as (25/100) * 360 = 90 degrees.
Q. A pie chart indicates that 10% of a company's revenue comes from online sales. If the total revenue is $500,000, how much revenue comes from online sales?
Q. A pie chart indicates that 50% of a company's budget is allocated to marketing, 30% to research, and 20% to operations. If the company decides to cut the marketing budget by 10%, what will be the new percentage for marketing?
A.
40%
B.
50%
C.
60%
D.
70%
Solution
Cutting 10% from the original 50% leaves 40% for marketing.
Q. A pie chart shows the distribution of a budget among four departments. If the HR department receives 20% and the IT department receives 30%, what is the maximum percentage the remaining two departments can receive?
A.
50%
B.
60%
C.
70%
D.
80%
Solution
The maximum percentage for the remaining two departments is 100% - (20% + 30%) = 50%.
Q. A pie chart shows the distribution of a budget among four departments. If the Marketing department receives 20% of the budget, which of the following is a possible budget amount if Marketing's allocation is $50,000?
A.
$200,000
B.
$250,000
C.
$300,000
D.
$400,000
Solution
If Marketing receives 20% and gets $50,000, then total budget = $50,000 / 0.20 = $250,000.
Q. A pie chart shows the distribution of a budget among four departments: HR, IT, Marketing, and Sales. If HR receives 20% of the budget, what is the budget share of the other three departments combined?
A.
80%
B.
60%
C.
40%
D.
20%
Solution
The budget share of the other three departments combined is 100% - 20% = 80%.
Q. A pie chart shows the distribution of a city's budget. If 40% is allocated to education, 30% to health, and 30% to infrastructure, which area receives the most funding?
A.
Education
B.
Health
C.
Infrastructure
D.
All areas receive equal funding.
Solution
Education receives the highest percentage of the budget at 40%.
Q. A pie chart shows the distribution of a city's population by age group. If the age group 0-14 years comprises 20%, what is the angle for this segment?
A.
72 degrees
B.
60 degrees
C.
90 degrees
D.
45 degrees
Solution
The angle for the 0-14 years age group is (20/100) * 360 = 72 degrees.
Q. A pie chart shows the distribution of a city's population by age groups. If the 'Youth' segment is 35%, which of the following statements is correct?
A.
Youth make up less than half of the population.
B.
Youth make up more than half of the population.
C.
Youth make up exactly half of the population.
D.
Youth are the only age group represented.
Solution
If Youth is 35%, they make up less than half of the population.
Correct Answer:
A
— Youth make up less than half of the population.
Q. A pie chart shows the distribution of a company's budget. If the 'Marketing' segment is twice the size of the 'Research' segment, which of the following could represent their respective percentages?
A.
20% Marketing, 10% Research
B.
30% Marketing, 15% Research
C.
40% Marketing, 20% Research
D.
50% Marketing, 25% Research
Solution
If Marketing is twice Research, then for 20% Marketing, Research must be 10%.
Q. A pie chart shows the distribution of a company's expenses. If the segment for marketing is 15% and the segment for research and development is 25%, what is the combined percentage for these two segments?
A.
40%
B.
30%
C.
50%
D.
20%
Solution
The combined percentage for marketing and research and development is 15% + 25% = 40%.
Q. A pie chart shows the distribution of a company's revenue across four products. If Product A accounts for 10% of the total revenue and the total revenue is $1 million, how much revenue does Product A generate?
A.
$50,000
B.
$100,000
C.
$150,000
D.
$200,000
Solution
Revenue from Product A = 10% of $1 million = $100,000.