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!
Q. A hollow sphere with charge Q has a radius R. What is the electric field at a point inside the sphere?
A.
Q/(4πε₀R²)
B.
0
C.
Q/(4πε₀R)
D.
Q/(2πε₀R²)
Show solution
Solution
Inside a hollow charged sphere, the electric field is zero due to symmetry, as per Gauss's law.
Correct Answer:
B
— 0
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Q. A hollow spherical conductor carries a charge Q. What is the electric field inside the cavity?
A.
Q/(4πε₀r²)
B.
0
C.
Q/(4πε₀R²)
D.
Q/(4πε₀R)
Show solution
Solution
Inside the cavity of a hollow conductor, the electric field is zero due to the shielding effect of the conductor.
Correct Answer:
B
— 0
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Q. A house was bought for $250,000. If the inflation rate is 4% per year, what will be the value of the house after 3 years?
A.
$270,000
B.
$280,000
C.
$290,000
D.
$300,000
Show solution
Solution
Value after 3 years = 250000 * (1 + 0.04)^3 = 250000 * 1.124864 = $281,216 (approx $290,000)
Correct Answer:
C
— $290,000
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Q. A house's value decreased by 12% over a year. If the current value is $250,000, what was the value a year ago?
A.
$280,000
B.
$275,000
C.
$300,000
D.
$270,000
Show solution
Solution
Value a year ago = Current Value / (1 - 0.12) = 250000 / 0.88 = $284,090.91 (approximately $280,000).
Correct Answer:
A
— $280,000
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Q. A house's value decreases by 12% over a year. If the original value was $300,000, what is the value after the decrease?
A.
$264,000
B.
$270,000
C.
$280,000
D.
$290,000
Show solution
Solution
Value after decrease = Original Value - (12% of Original Value) = 300000 - (0.12 * 300000) = 300000 - 36000 = $264,000.
Correct Answer:
A
— $264,000
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Q. A house's value increases by 12% annually. If its current value is $300,000, what will be its value after one year?
A.
$336,000
B.
$330,000
C.
$300,000
D.
$320,000
Show solution
Solution
Value after one year = Current Value + (12% of Current Value) = 300000 + (0.12 * 300000) = 300000 + 36000 = $336,000.
Correct Answer:
A
— $336,000
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Q. A household uses 150 liters of water per day. How much water will it use in a month (30 days)?
A.
3000 liters
B.
4500 liters
C.
5000 liters
D.
6000 liters
Show solution
Solution
Water used = 150 liters/day * 30 days = 4500 liters
Correct Answer:
B
— 4500 liters
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Q. A household uses 200 kWh of electricity per month. How much electricity will it use in a year?
A.
2400 kWh
B.
2000 kWh
C.
1800 kWh
D.
3000 kWh
Show solution
Solution
Annual usage = 200 kWh/month * 12 months = 2400 kWh
Correct Answer:
A
— 2400 kWh
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Q. A is B's son. C is A's sister. How is C related to B?
A.
Daughter
B.
Son
C.
Niece
D.
Sister
Show solution
Solution
C is A's sister, and since A is B's son, C is B's daughter.
Correct Answer:
A
— Daughter
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Q. A is B's son. C is D's daughter. If A and C are siblings, how is D related to B?
A.
Sister
B.
Brother
C.
Sister-in-law
D.
Mother
Show solution
Solution
If A and C are siblings, then D is B's daughter-in-law.
Correct Answer:
C
— Sister-in-law
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Q. A is older than B but younger than C. D is younger than A. Who is the oldest?
Show solution
Solution
C is the oldest as A is younger than C.
Correct Answer:
C
— C
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Q. A is taller than B. B is taller than C. Which of the following is true?
A.
A is taller than C
B.
C is taller than A
C.
B is the tallest
D.
C is shorter than A
Show solution
Solution
If A is taller than B and B is taller than C, then A must be taller than C.
Correct Answer:
A
— A is taller than C
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Q. A is the brother of B. C is the sister of A. D is the mother of B. How is C related to D?
A.
Daughter
B.
Son
C.
Niece
D.
Sister
Show solution
Solution
C is the daughter of D as C is the sister of A and A is the brother of B, making them all siblings.
Correct Answer:
A
— Daughter
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Q. A is the brother of B. C is the sister of A. How is C related to B?
A.
Sister
B.
Brother
C.
Cousin
D.
Cannot be determined
Show solution
Solution
C is the sister of A, and A is the brother of B, so C is also the sister of B.
Correct Answer:
A
— Sister
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Q. A is the father of B. C is the mother of B. D is the brother of C. How is D related to A?
A.
Brother-in-law
B.
Father
C.
Uncle
D.
Cousin
Show solution
Solution
D is the brother-in-law of A as C (D's sister) is married to A.
Correct Answer:
A
— Brother-in-law
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Q. A is the grandfather of B. C is the father of B. How is A related to C?
A.
Son
B.
Father
C.
Grandfather
D.
Uncle
Show solution
Solution
A is the father of C as A is the grandfather of B.
Correct Answer:
B
— Father
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Q. A is twice as old as B. If B is 10 years old now, how old will A be in 5 years? (2023)
Show solution
Solution
If B is 10, A is 20. In 5 years, A will be 25.
Correct Answer:
B
— 25
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Q. A jacket is marked at $200 and is sold for $160 after a discount. What is the discount percentage?
A.
20%
B.
25%
C.
30%
D.
15%
Show solution
Solution
Discount = 200 - 160 = 40. Percentage Discount = (40/200) * 100 = 20%.
Correct Answer:
A
— 20%
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Q. A jacket is marked at $80 and is sold at a 25% discount. What is the sale price?
A.
$60
B.
$70
C.
$75
D.
$65
Show solution
Solution
Sale price = 80 - (25/100 * 80) = 80 - 20 = 60.
Correct Answer:
A
— $60
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Q. A jacket is sold for $120 after a discount of 20%. What was the original price of the jacket?
A.
$100
B.
$140
C.
$150
D.
$160
Show solution
Solution
Let the original price be x. Then, x - 0.20x = 120. Solving gives x = 120/0.80 = $150.
Correct Answer:
D
— $160
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Q. A jar contains 10 candies, 4 of which are chocolate. What is the probability of selecting a chocolate candy?
A.
2/5
B.
1/2
C.
4/10
D.
3/10
Show solution
Solution
Probability of chocolate candy = 4/10 = 2/5.
Correct Answer:
B
— 1/2
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Q. A jar contains 4 green, 5 yellow, and 1 red marble. What is the probability of picking a yellow marble? (2019)
A.
1/10
B.
1/5
C.
1/2
D.
5/10
Show solution
Solution
Total marbles = 4 + 5 + 1 = 10. Probability of yellow = 5/10 = 1/2.
Correct Answer:
D
— 5/10
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Q. A jar contains 4 red, 5 green, and 6 blue marbles. If one marble is drawn at random, what is the probability that it is either red or green?
A.
4/15
B.
3/5
C.
9/15
D.
1/3
Show solution
Solution
Total marbles = 4 + 5 + 6 = 15. Probability of red or green = (4 + 5)/15 = 9/15 = 3/5.
Correct Answer:
B
— 3/5
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Q. A jar contains 4 red, 5 green, and 6 blue marbles. If one marble is drawn at random, what is the probability that it is not blue?
A.
1/3
B.
2/3
C.
1/2
D.
5/11
Show solution
Solution
Total marbles = 4 + 5 + 6 = 15. Non-blue marbles = 4 + 5 = 9. Probability = 9/15 = 3/5.
Correct Answer:
B
— 2/3
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Q. A jar contains 4 red, 5 green, and 6 blue marbles. If one marble is drawn at random, what is the probability that it is not green?
A.
1/3
B.
2/3
C.
1/2
D.
5/11
Show solution
Solution
Total marbles = 4 + 5 + 6 = 15. Non-green marbles = 4 + 6 = 10. Probability = 10/15 = 2/3.
Correct Answer:
B
— 2/3
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Q. A jar contains 4 red, 5 green, and 6 blue marbles. What is the probability of drawing a green marble?
A.
1/3
B.
5/15
C.
5/15
D.
1/5
Show solution
Solution
Total marbles = 4 + 5 + 6 = 15. Probability of green = 5/15 = 1/3.
Correct Answer:
A
— 1/3
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Q. A jar contains 4 red, 5 green, and 6 blue marbles. What is the probability of picking a green marble?
A.
5/15
B.
1/3
C.
1/5
D.
1/2
Show solution
Solution
The total number of marbles is 4 + 5 + 6 = 15. The probability of picking a green marble is 5/15 = 1/3.
Correct Answer:
B
— 1/3
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Q. A jar contains 4 red, 5 green, and 6 blue marbles. What is the probability of randomly selecting a green marble?
A.
1/3
B.
5/15
C.
5/15
D.
1/5
Show solution
Solution
The total number of marbles is 4 + 5 + 6 = 15. The probability of selecting a green marble is 5/15 = 1/3.
Correct Answer:
A
— 1/3
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Q. A jar contains 5 green, 3 yellow, and 2 blue marbles. If one marble is drawn at random, what is the probability that it is either green or yellow?
A.
1/2
B.
2/5
C.
4/5
D.
3/5
Show solution
Solution
Total marbles = 5 + 3 + 2 = 10. Green or yellow = 5 + 3 = 8. Probability = (Green + Yellow) / Total = 8/10 = 4/5.
Correct Answer:
D
— 3/5
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Q. A jar contains 5 green, 7 yellow, and 8 blue marbles. If one marble is drawn at random, what is the probability that it is either green or yellow?
A.
1/3
B.
5/20
C.
12/20
D.
1/2
Show solution
Solution
Total marbles = 5 + 7 + 8 = 20. Green or yellow = 5 + 7 = 12. Probability = 12/20 = 3/5.
Correct Answer:
C
— 12/20
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