Q. If a disease has a 30% chance of being transmitted from an infected person to a healthy person, what is the probability that it will not be transmitted? (2021)
A.
0.7
B.
0.3
C.
0.5
D.
0.2
Solution
The probability that the disease will not be transmitted = 1 - 0.3 = 0.7.
Q. If a disease spreads at a rate of 10% per week, what will be the total percentage of the population infected after 3 weeks, assuming no recovery? (2021)
A.
30%
B.
33%
C.
27%
D.
25%
Solution
Total infected after 3 weeks = 10% + 10% of (100% - 10%) + 10% of (100% - 20%) = 10% + 9% + 8% = 27%.
Q. If a disease spreads at a rate of 3% per week, what will be the total percentage of the population infected after 4 weeks, assuming no recovery? (2021)
A.
12.36%
B.
10.5%
C.
11.5%
D.
15%
Solution
Using the formula for compound growth: Total infected = 100 × (1 - (1 - 0.03)^4) = 100 × (1 - 0.88) = 12.36%.
Q. If a food label states that a serving contains 5 grams of sugar and the daily recommended intake is 25 grams, what percentage of the daily intake does one serving represent?
General Knowledge (NDA) is a crucial component of various competitive exams, including the NDA entrance test. Mastering this subject not only enhances your awareness of current affairs but also significantly boosts your exam scores. Practicing MCQs and objective questions helps you identify important topics and improves your ability to tackle exam questions effectively. By engaging with practice questions, you can solidify your understanding and prepare thoroughly for your upcoming exams.
What You Will Practise Here
Current Affairs: National and International Events
History: Key Dates and Important Figures
Geography: Physical and Political Maps
Indian Polity: Constitution and Governance
Economics: Basic Concepts and Terminology
Science: Fundamental Principles and Discoveries
General Awareness: Sports, Awards, and Recognitions
Exam Relevance
General Knowledge is a significant section in various exams such as CBSE, State Boards, NEET, and JEE. In these assessments, you can expect questions that test your understanding of historical events, geographical facts, and current affairs. Common question patterns include multiple-choice questions that require you to select the correct answer from a set of options, making it essential to be well-prepared with important General Knowledge (NDA) questions for exams.
Common Mistakes Students Make
Overlooking current affairs, assuming they are less important.
Confusing similar historical events or dates.
Neglecting to revise basic geographical concepts.
Misunderstanding key terms in Indian polity and governance.
Failing to connect economic principles with real-world scenarios.
FAQs
Question: What are the best ways to prepare for General Knowledge (NDA)? Answer: Regularly read newspapers, follow current affairs, and practice MCQs to enhance your knowledge.
Question: How can I improve my speed in answering General Knowledge questions? Answer: Time yourself while practicing and focus on understanding concepts rather than rote memorization.
Start your journey towards mastering General Knowledge (NDA) today! Solve practice MCQs and test your understanding to ensure you are well-prepared for your exams. Every question you tackle brings you one step closer to success!
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