Major Competitive Exams

My Learning Cart

?

Welcome to

Soulshift

Categories

Account

Major Competitive Exams

Download Q&A

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!

Civil Services Defence Exams Engineering & Architecture Admissions Government Jobs Management Admissions Undergraduate

Q. If the moment of inertia of a body is doubled, what will happen to its angular momentum if the angular velocity remains constant?

A. Doubles
B. Halves
C. Remains the same
D. Quadruples

Solution

Angular momentum L = Iω; if I is doubled and ω remains constant, L also doubles.

Correct Answer: A — Doubles

Q. If the moment of inertia of a body is increased, what happens to its angular acceleration for a constant torque?

A. Increases
B. Decreases
C. Remains the same
D. Becomes zero

Solution

According to Newton's second law for rotation, τ = Iα, if I increases and τ is constant, α must decrease.

Correct Answer: B — Decreases

Q. If the mortality rate of a disease is 5% and 2000 people are diagnosed, how many deaths are expected? (2023)

A. 50
B. 75
C. 100
D. 125

Solution

Expected deaths = 5% of 2000 = 0.05 * 2000 = 100 deaths.

Correct Answer: C — 100

Q. If the natural frequency of a damped oscillator is 5 rad/s and the damping ratio is 0.2, what is the damped frequency?

A. 4.8 rad/s
B. 5 rad/s
C. 5.2 rad/s
D. 5.5 rad/s

Solution

Damped frequency (ω_d) = ω_n√(1-ζ^2) = 5√(1-0.2^2) = 5√(0.96) ≈ 4.8 rad/s.

Correct Answer: A — 4.8 rad/s

Q. If the nth term of a harmonic progression is given by 1/(1/n + 1/a), what does 'a' represent?

A. The first term
B. The last term
C. The common difference
D. The sum of the terms

Solution

'a' represents the first term of the harmonic progression in the formula for the nth term.

Correct Answer: A — The first term

Q. If the nth term of a harmonic progression is given by 1/(1/n + 1/m), what does this represent?

A. The average of n and m
B. The product of n and m
C. The sum of n and m
D. The difference of n and m

Solution

The nth term of a harmonic progression can be expressed as the harmonic mean of n and m, which is 1/(1/n + 1/m).

Correct Answer: A — The average of n and m

Q. If the nth term of a harmonic progression is given by 1/n, what is the first term?

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

Solution

The first term corresponds to n=1, which gives 1/1 = 1.

Correct Answer: A — 1

Q. If the nth term of a sequence is given by a_n = 5n - 3, what is the value of a_7? (2023)

A. 32
B. 34
C. 36
D. 38

Solution

Substituting n = 7 into the formula gives a_7 = 5*7 - 3 = 35 - 3 = 32.

Correct Answer: B — 34

Q. If the nth term of a sequence is given by a_n = n^2 + n, what is a_4?

A. 20
B. 24
C. 16
D. 18

Solution

a_4 = 4^2 + 4 = 16 + 4 = 20.

Correct Answer: A — 20

Q. If the nth term of a sequence is given by n^2 + n, what is the 4th term? (2023)

A. 20
B. 24
C. 30
D. 32

Solution

The 4th term is 4^2 + 4 = 16 + 4 = 20.

Correct Answer: A — 20

Q. If the number 'A' in a base-6 system is equal to 30 in decimal, what is the value of 'A'?

A. 50
B. 42
C. 34
D. 30

Solution

In base-6, 'A' = 3*6^1 + 0*6^0 = 18 + 0 = 18. Therefore, 'A' is 42 in decimal.

Correct Answer: B — 42

Q. If the number 'XYZ' in base-5 equals 100 in decimal, what is the value of 'X'?

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

Solution

In base-5, 'XYZ' = X*5^2 + Y*5^1 + Z*5^0 = 100. Solving gives X = 3.

Correct Answer: B — 3

Q. If the number 1011 in binary is converted to decimal, what is its value?

A. 11
B. 10
C. 12
D. 13

Solution

The binary number 1011 converts to decimal as follows: 1*2^3 + 0*2^2 + 1*2^1 + 1*2^0 = 8 + 0 + 2 + 1 = 11.

Correct Answer: A — 11

Q. If the number 1011 in binary is converted to decimal, what is the result?

A. 11
B. 10
C. 12
D. 13

Solution

To convert from binary to decimal, calculate: 1*2^3 + 0*2^2 + 1*2^1 + 1*2^0 = 8 + 0 + 2 + 1 = 11.

Correct Answer: A — 11

Q. If the number 1A in hexadecimal is converted to decimal, what is the result?

A. 26
B. 27
C. 28
D. 29

Solution

In hexadecimal, A represents 10. Therefore, 1A = 1*16^1 + 10*16^0 = 16 + 10 = 26.

Correct Answer: A — 26

Q. If the number 36 is expressed in terms of its prime factors, which of the following is correct?

A. 2^2 * 3^2
B. 2^3 * 3^1
C. 3^2 * 4^1
D. 6^2

Solution

The prime factorization of 36 is 2^2 * 3^2, as 36 = 2 * 2 * 3 * 3.

Correct Answer: A — 2^2 * 3^2

Q. If the number of people living below the poverty line increases from 50,000 to 70,000, what is the percentage increase?

A. 40%
B. 30%
C. 20%
D. 50%

Solution

Percentage increase = ((70,000 - 50,000) / 50,000) * 100 = 40%.

Correct Answer: A — 40%

Q. If the numbers 8, 3, 5, 12, and 7 are given, what is the median? (2022)

A. 5
B. 7
C. 8
D. 12

Solution

Arranging the numbers: 3, 5, 7, 8, 12. The median is the middle number, which is 7.

Correct Answer: B — 7

Q. If the numbers are 8, 8, 6, 5, 5, 5, 7, 9, what is the mode?

A. 5
B. 6
C. 7
D. 8

Solution

The mode is 5, as it appears 3 times, more than any other number.

Correct Answer: A — 5

Q. If the object distance is equal to the focal length of a convex lens, what is the nature of the image formed?

A. Real and inverted
B. Virtual and upright
C. At infinity
D. No image formed

Solution

When the object distance equals the focal length, the image is formed at infinity.

Correct Answer: C — At infinity

Q. If the object distance is equal to the focal length of a convex lens, what type of image is formed?

A. Real and inverted
B. Virtual and upright
C. At infinity
D. No image formed

Solution

When the object is at the focal length, the image is formed at infinity.

Correct Answer: C — At infinity

Q. If the odds in favor of an event are 3:2, what is the probability of the event occurring?

A. 0.6
B. 0.4
C. 0.5
D. 0.3

Solution

Probability = Odds in favor / (Total odds) = 3 / (3 + 2) = 3/5 = 0.6.

Correct Answer: A — 0.6

Q. If the order of finishing in a marathon is A, B, C, D, and E, and B finishes before D but after A, who finishes second?

A. A
B. B
C. C
D. D

Solution

Since A finishes first, and B finishes after A but before D, C must finish second.

Correct Answer: C — C

Q. If the order of finishing in a marathon is A, B, C, D, and E, and it is known that A finished before C but after B, and D finished after E, who finished third?

A. A
B. B
C. C
D. D

Solution

The order is B > A > C > E > D, making C the third.

Correct Answer: C — C

Q. If the order of finishing in a marathon is as follows: John finishes before Mike, but after Sarah. Tom finishes after Mike. Who finishes first?

A. John
B. Mike
C. Sarah
D. Tom

Solution

Since Sarah finishes before John, and John finishes before Mike, Sarah must be the first.

Correct Answer: C — Sarah

Q. If the order of finishing in a marathon is as follows: John, Mike, Sarah, and Tom, who finished second? (2023)

A. John
B. Mike
C. Sarah
D. Tom

Solution

The order is John (1st), Mike (2nd), Sarah (3rd), Tom (4th). Therefore, Mike finished second.

Correct Answer: B — Mike

Q. If the order of finishing in a marathon is as follows: Runner A finishes before Runner B, Runner C finishes after Runner A but before Runner D, and Runner E finishes last. Who finishes third?

A. A
B. B
C. C
D. D

Solution

The order is A, C, B, D, E, making C the third finisher.

Correct Answer: C — C

Q. If the osmotic pressure of a solution is 3.0 atm at 25 °C, what is the molarity of the solution? (R = 0.0821 L atm/(K mol))

A. 0.12 M
B. 0.15 M
C. 0.18 M
D. 0.20 M

Solution

Molarity = π / (RT) = 3.0 / (0.0821 * 298) = 0.12 M

Correct Answer: C — 0.18 M

Q. If the osmotic pressure of a solution is 3.0 atm, what is the molarity of the solution? (R = 0.0821 L atm/(K mol), T = 298 K)

A. 0.12 M
B. 0.15 M
C. 0.10 M
D. 0.20 M

Solution

Molarity = π / (RT) = 3.0 / (0.0821 * 298) = 0.12 M

Correct Answer: B — 0.15 M

Q. If the pair of lines represented by ax^2 + 2hxy + by^2 = 0 are perpendicular, then:

A. a + b = 0
B. a - b = 0
C. h = 0
D. a = b

Solution

For the lines to be perpendicular, the condition a + b = 0 must hold.

Correct Answer: A — a + b = 0

Showing 11551 to 11580 of 31669 (1056 Pages)

Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely