Major Competitive Exams

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Major Competitive Exams

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Major Competitive Exams MCQ & Objective Questions

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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Q. If a class has 40 students and 25% of them are absent, how many students are present?

A. 30
B. 35
C. 25
D. 20

Solution

Number of students absent = 25% of 40 = 10; Present = 40 - 10 = 30

Correct Answer: B — 35

Q. If a class is scheduled every Tuesday and Thursday, which of the following days can a student not attend without missing a class?

A. Monday
B. Wednesday
C. Friday
D. Saturday

Solution

Wednesday is the only day where a student cannot attend without missing a class.

Correct Answer: B — Wednesday

Q. If a clock shows 3:15, what is the angle between the hour and the minute hands? (2023)

A. 45 degrees
B. 90 degrees
C. 97.5 degrees
D. 75 degrees

Solution

At 3:15, the hour hand is at 97.5 degrees (3*30 + 15*0.5) and the minute hand is at 90 degrees (15*6). The angle between them is 97.5 - 90 = 7.5 degrees.

Correct Answer: C — 97.5 degrees

Q. If a coil with a resistance of 10 ohms has an induced EMF of 20 volts, what is the induced current?

A. 2 A
B. 0.5 A
C. 10 A
D. 20 A

Solution

Using Ohm's law (I = V/R), the induced current I = 20V / 10Ω = 2 A.

Correct Answer: A — 2 A

Q. If a coin is tossed twice, what is the probability of getting at least one head?

A. 1/4
B. 1/2
C. 3/4
D. 1

Solution

Total outcomes = 4 (HH, HT, TH, TT). Outcomes with at least one head = 3. Probability = 3/4.

Correct Answer: C — 3/4

Q. If a college awards a scholarship of $1500 to the top 10% of students, and there are 200 students in total, how many students will receive the scholarship? (2023)

A. 15
B. 20
C. 25
D. 30

Solution

Number of students receiving scholarship = 10% of 200 = 20 students.

Correct Answer: B — 20

Q. If a committee of 3 is to be formed from 5 people, how many different committees can be formed?

A. 10
B. 15
C. 20
D. 5

Solution

The number of ways to choose 3 people from 5 is given by 5C3 = 10.

Correct Answer: B — 15

Q. If a committee of 3 members is to be formed from a group of 5 people, how many different committees can be formed?

A. 10
B. 15
C. 5
D. 20

Solution

The number of ways to choose 3 members from 5 is given by 5C3 = 10.

Correct Answer: A — 10

Q. If a community's average household income is $60,000 and the goal is to increase it by 20% over 5 years, what will be the target average income?

A. $66,000
B. $70,000
C. $72,000
D. $75,000

Solution

Target income = $60,000 * 1.20 = $72,000.

Correct Answer: C — $72,000

Q. If a company allocates its budget primarily to marketing rather than research and development, which of the following is a potential risk?

A. Increased brand awareness.
B. Short-term sales growth.
C. Neglecting innovation and long-term growth.
D. Higher customer engagement.

Solution

Focusing on marketing at the expense of R&D can lead to neglecting innovation, which is a long-term risk, making option 2 the correct choice.

Correct Answer: C — Neglecting innovation and long-term growth.

Q. If a company gives out awards to the top 5 employees based on performance, and there are 20 employees, how many different combinations of award winners are possible?

A. 15504
B. 18648
C. 20020
D. 21000

Solution

The number of combinations is calculated using the formula for combinations: C(20, 5) = 20! / (5!(20-5)!) = 15504.

Correct Answer: C — 20020

Q. If a company has 120 employees and 30% of them are involved in ethical training, how many employees are involved in ethical training?

A. 30
B. 36
C. 24
D. 18

Solution

30% of 120 is calculated as (30/100) * 120 = 36.

Correct Answer: B — 36

Q. If a company has 120 employees and 30% of them are women, how many women are there in the company?

A. 30
B. 36
C. 24
D. 18

Solution

30% of 120 is calculated as (30/100) * 120 = 36.

Correct Answer: B — 36

Q. If a company has 150 employees and 10% are in management positions, how many employees are in management?

A. 10
B. 15
C. 20
D. 25

Solution

10% of 150 is calculated as (10/100) * 150 = 15.

Correct Answer: B — 15

Q. If a company has a budget of $50,000 for ethical training and spends 25% of it on materials, how much is spent on materials?

A. $10,000
B. $12,500
C. $15,000
D. $20,000

Solution

25% of $50,000 is calculated as (25/100) * 50000 = $12,500.

Correct Answer: B — $12,500

Q. If a company implements a four-day workweek, which of the following can be inferred?

A. Employee productivity will definitely increase.
B. All employees will prefer a four-day workweek.
C. Some employees may find a four-day workweek beneficial.
D. The company will save money with fewer workdays.

Solution

While the change may benefit some employees, it does not guarantee that all will find it advantageous.

Correct Answer: C — Some employees may find a four-day workweek beneficial.

Q. If a company implements a new ethical policy and 15% of employees oppose it, how many employees oppose it in a company of 400?

A. 50
B. 60
C. 70
D. 80

Solution

15% of 400 is calculated as (15/100) * 400 = 60.

Correct Answer: C — 70

Q. If a company increases its workforce by 30% and the original workforce was 200, what is the new workforce?

A. 240
B. 260
C. 280
D. 300

Solution

New workforce = 200 + (30/100 * 200) = 200 + 60 = 260.

Correct Answer: B — 260

Q. If a company reallocates its budget from research and development to marketing, what is the likely impact on innovation? (2023)

A. Innovation may increase due to better marketing.
B. Innovation may decrease due to reduced funding for R&D.
C. There will be no impact on innovation.
D. Innovation will be maintained at the same level.

Solution

Reallocating budget from R&D to marketing is likely to decrease innovation due to reduced funding for research, making option 1 correct.

Correct Answer: B — Innovation may decrease due to reduced funding for R&D.

Q. If a company reports a significant increase in profits after implementing a new marketing strategy, which of the following can be inferred?

A. The new marketing strategy is the sole reason for the profit increase.
B. All companies should adopt similar marketing strategies.
C. The company had no profits before the new strategy.
D. The new marketing strategy may have contributed to the profit increase.

Solution

While the new strategy may have contributed to the profit increase, it cannot be concluded that it is the sole reason without further evidence.

Correct Answer: D — The new marketing strategy may have contributed to the profit increase.

Q. If a company's profit increases from $200,000 to $250,000, what is the percentage increase in profit?

A. 25%
B. 20%
C. 30%
D. 15%

Solution

Percentage Increase = ((New Profit - Old Profit) / Old Profit) * 100 = ((250000 - 200000) / 200000) * 100 = (50000 / 200000) * 100 = 25%.

Correct Answer: A — 25%

Q. If a computer has 8 GB of RAM, how many bytes does it have?

A. 8,000,000 bytes
B. 8,589,934,592 bytes
C. 8,192,000 bytes
D. 8,000,000,000 bytes

Solution

1 GB = 1,073,741,824 bytes. Therefore, 8 GB = 8 * 1,073,741,824 = 8,589,934,592 bytes.

Correct Answer: B — 8,589,934,592 bytes

Q. If a computer has 8 GB of RAM, how many bytes of data can it hold?

A. 8,000,000 bytes
B. 8,589,934,592 bytes
C. 8,192 bytes
D. 8,000,000,000 bytes

Solution

1 GB = 1,073,741,824 bytes, so 8 GB = 8 * 1,073,741,824 = 8,589,934,592 bytes.

Correct Answer: B — 8,589,934,592 bytes

Q. If a computer has a RAM of 8 GB, how many bytes does it have?

A. 8,000,000
B. 8,589,934,592
C. 8,192,000
D. 8,000,000,000

Solution

8 GB is equal to 8 * 1024 * 1024 * 1024 bytes, which is 8,589,934,592 bytes.

Correct Answer: B — 8,589,934,592

Q. If a computer's clock speed is 3 GHz, how many cycles does it perform in one second?

A. 3 million
B. 3 billion
C. 3 thousand
D. 300 million

Solution

A clock speed of 3 GHz means the computer performs 3 billion cycles in one second.

Correct Answer: B — 3 billion

Q. If a concave lens has a focal length of -10 cm, what is the nature of the image formed when the object is placed at 5 cm?

A. Real and inverted
B. Virtual and upright
C. Real and upright
D. Virtual and inverted

Solution

Concave lenses always produce virtual and upright images.

Correct Answer: B — Virtual and upright

Q. If a concave lens has a focal length of -10 cm, what is the nature of the image formed when an object is placed at 5 cm from the lens?

A. Real and inverted
B. Virtual and upright
C. Real and upright
D. Virtual and inverted

Solution

Concave lenses always produce virtual and upright images.

Correct Answer: B — Virtual and upright

Q. If a concave lens has a focal length of -15 cm, what is its power?

A. -6.67 D
B. 6.67 D
C. -15 D
D. 15 D

Solution

Power (P) = 1/f = 1/(-0.15) = -6.67 D.

Correct Answer: A — -6.67 D

Q. If a concave lens has a focal length of -20 cm, what is the nature of the image formed when an object is placed at 30 cm from the lens?

A. Real and inverted
B. Virtual and upright
C. Real and upright
D. Virtual and inverted

Solution

For a concave lens, the image formed is virtual and upright when the object is placed beyond the focal length.

Correct Answer: B — Virtual and upright

Q. If a concave lens has a focal length of -20 cm, what is the nature of the image formed when an object is placed at 30 cm?

A. Real and inverted
B. Virtual and upright
C. Real and upright
D. Virtual and inverted

Solution

The image formed by a concave lens is virtual and upright when the object is placed beyond the focal length.

Correct Answer: B — Virtual and upright

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