Q. Two blocks of masses 2 kg and 3 kg are connected by a light string over a frictionless pulley. If the 3 kg block is released from rest, what is the acceleration of the system?
A.
1.2 m/s²
B.
2 m/s²
C.
3 m/s²
D.
4 m/s²
Solution
Using Newton's second law, the net force is (3 kg - 2 kg) * g = 1 kg * 9.8 m/s². The total mass is 5 kg, so a = F/m = 9.8 N / 5 kg = 1.96 m/s², approximately 2 m/s².
Q. Two blocks of masses 2 kg and 3 kg are connected by a light string over a frictionless pulley. If the 3 kg block is hanging, what is the acceleration of the system?
A.
1.2 m/s²
B.
2 m/s²
C.
3 m/s²
D.
4 m/s²
Solution
Using Newton's second law, the net force is (3 kg * 9.8 m/s²) - (2 kg * a) = (2 kg + 3 kg) * a. Solving gives a = 1.2 m/s².
Q. Two cars start from the same point and drive in opposite directions. Car A travels at 70 km/h and Car B at 90 km/h. How far apart will they be after 1 hour?
A.
160 km
B.
150 km
C.
140 km
D.
130 km
Solution
Distance apart = (Speed of A + Speed of B) × Time = (70 km/h + 90 km/h) × 1 h = 160 km.
Q. Two cars start from the same point and travel in opposite directions. Car A travels at 70 km/h and Car B at 90 km/h. How far apart will they be after 1 hour?
A.
160 km
B.
150 km
C.
140 km
D.
130 km
Solution
Distance apart = (Speed of A + Speed of B) × Time = (70 km/h + 90 km/h) × 1 h = 160 km.
Q. Two cars start from the same point and travel in opposite directions. Car A travels at 70 km/h and Car B at 90 km/h. How far apart will they be after 2 hours?
A.
320 km
B.
340 km
C.
360 km
D.
380 km
Solution
Relative speed = 70 km/h + 90 km/h = 160 km/h. Distance apart after 2 hours = 160 km/h × 2 h = 320 km.
Q. Two cars start from the same point and travel in opposite directions. Car A travels at 70 km/h and Car B at 50 km/h. How far apart will they be after 2 hours?
Q. Two cars start from the same point and travel in opposite directions. If car A travels at 40 km/h and car B at 60 km/h, how far apart will they be after 1 hour?
A.
50 km
B.
80 km
C.
100 km
D.
120 km
Solution
Relative speed = 40 + 60 = 100 km/h. Distance apart after 1 hour = 100 km.
Q. Two cars start from the same point and travel in opposite directions. If car A travels at 70 km/h and car B at 50 km/h, how far apart will they be after 2 hours?
A.
240 km
B.
220 km
C.
200 km
D.
180 km
Solution
Relative speed = 70 + 50 = 120 km/h. Distance apart after 2 hours = 120 * 2 = 240 km.
Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.
What You Will Practise Here
Key concepts and theories related to major subjects
Important formulas and their applications
Definitions of critical terms and terminologies
Diagrams and illustrations to enhance understanding
Practice questions that mirror actual exam patterns
Strategies for solving objective questions efficiently
Time management techniques for competitive exams
Exam Relevance
The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.
Common Mistakes Students Make
Rushing through questions without reading them carefully
Overlooking the negative marking scheme in MCQs
Confusing similar concepts or terms
Neglecting to review previous years’ question papers
Failing to manage time effectively during the exam
FAQs
Question: How can I improve my performance in Major Competitive Exams? Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.
Question: What types of questions should I focus on for these exams? Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.
Question: Are there specific strategies for tackling objective questions? Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.
Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!
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