Q. In a photoelectric experiment, if the stopping potential is increased, what happens to the maximum kinetic energy of the emitted electrons?
A.
It increases
B.
It decreases
C.
It remains the same
D.
It becomes zero
Solution
Increasing the stopping potential increases the maximum kinetic energy of the emitted electrons, as the stopping potential is directly related to the kinetic energy of the electrons.
Q. In a physics experiment, the force applied is measured as 50 N with an uncertainty of ±1 N. What is the relative uncertainty in the force measurement?
Q. In a physics experiment, the speed of an object is measured as 20.0 m/s with an uncertainty of ±0.4 m/s. What is the maximum possible error in the kinetic energy calculated from this speed?
A.
8 J
B.
4 J
C.
2 J
D.
1 J
Solution
Kinetic energy = 0.5 * m * v²; maximum error = m * v * uncertainty in v = m * 20.0 * 0.4 = 8 J (assuming m = 1 kg).
Q. In a pie chart depicting the favorite fruits of a group of people, if 15% prefer apples, 25% prefer bananas, 30% prefer oranges, and the rest prefer grapes, what percentage of people prefer grapes?
A.
30%
B.
20%
C.
10%
D.
15%
Solution
Total percentage for apples, bananas, and oranges = 15% + 25% + 30% = 70%. Therefore, grapes = 100% - 70% = 30%.
Q. In a pie chart depicting the market share of four companies, Company A has 25%, Company B has 35%, Company C has 20%, and Company D has 20%. Which company has the least market share?
A.
Company A
B.
Company B
C.
Company C
D.
Company D
Solution
Company A has the least market share at 25% compared to the others.
Q. In a pie chart depicting the market share of four smartphone brands, Brand A has 25%, Brand B has 35%, Brand C has 20%, and Brand D has 20%. Which brand has the least market share?
A.
Brand A
B.
Brand B
C.
Brand C
D.
Brand D
Solution
Both Brand C and Brand D have 20%, but since the question asks for the least market share, either could be correct. However, Brand C is listed first in the options.
Q. In a pie chart depicting the market share of four smartphone brands, Brand A holds 25%, Brand B holds 35%, Brand C holds 20%, and Brand D holds 20%. If Brand B's market share increases by 5%, what will be the new percentage of Brand B?
A.
30%
B.
35%
C.
40%
D.
45%
Solution
Brand B's new market share will be 35% + 5% = 40%.
Q. In a pie chart depicting the preferences of students for different sports, if 10% prefer basketball, 20% prefer football, and 30% prefer cricket, what percentage of students prefer other sports?
A.
40%
B.
50%
C.
60%
D.
70%
Solution
The percentage of students preferring other sports is 100% - (10% + 20% + 30%) = 40%.
Q. In a pie chart illustrating the market share of different smartphone brands, Brand A holds 25%, Brand B holds 35%, and Brand C holds 20%. If the remaining brands share the rest, what percentage do they collectively hold?
A.
20%
B.
15%
C.
10%
D.
5%
Solution
The total percentage held by the remaining brands is 100% - (25% + 35% + 20%) = 20%.
Q. In a pie chart representing the distribution of a budget, if 'Marketing' takes up 20% and 'Research' takes up 30%, what is the minimum percentage that 'Operations' could take?
A.
10%
B.
20%
C.
30%
D.
40%
Solution
The minimum percentage for 'Operations' can be 10% if the remaining budget is allocated to other categories.
Q. In a pie chart representing the distribution of a budget, if 5% is allocated to research and the total budget is $1 million, how much is allocated to research?
Q. In a pie chart representing the favorite fruits of a group of people, if 20% prefer apples, what is the percentage of people who prefer fruits other than apples?
A.
80%
B.
70%
C.
60%
D.
90%
Solution
If 20% prefer apples, then 100% - 20% = 80% prefer other fruits.
Q. In a pie chart representing the favorite fruits of a group of people, if 30% prefer apples, 25% prefer bananas, 20% prefer oranges, and 25% prefer grapes, which fruit is the least favorite?
A.
Apples
B.
Bananas
C.
Oranges
D.
Grapes
Solution
Oranges are the least favorite as they have the smallest percentage at 20%.
Q. In a pie chart representing the market share of four companies A, B, C, and D, A has 25%, B has 35%, C has 20%, and D has 20%. What is the difference in market share between Company B and Company C?
A.
5%
B.
10%
C.
15%
D.
20%
Solution
The difference in market share between Company B (35%) and Company C (20%) is 35% - 20% = 15%.
Q. In a pie chart representing the market share of four companies, Company A has 25%, Company B has 35%, Company C has 20%, and Company D has 20%. If Company B increases its market share by 5%, what will be the new percentage of Company B?
A.
30%
B.
35%
C.
40%
D.
45%
Solution
Company B's new market share will be 35% + 5% = 40%.
Q. In a pie chart representing the market share of four companies, Company A has 25%, Company B has 35%, Company C has 20%, and Company D has 20%. Which company has the highest market share?
Q. In a pie chart representing the market share of four companies, Company A has 25% of the market. If the total market size is $1 million, how much does Company A earn?
A.
$250,000
B.
$300,000
C.
$400,000
D.
$500,000
Solution
Company A's earnings = 25% of $1 million = $250,000.
Q. In a pie chart representing the market share of four companies, Company A has 25%, Company B has 35%, Company C has 20%, and Company D has 20%. If the total market size is $1 million, how much does Company B earn?
A.
$250,000
B.
$350,000
C.
$200,000
D.
$200,000
Solution
Company B's share is 35% of $1 million, which is $1,000,000 * 0.35 = $350,000.
Q. In a pie chart representing the market share of four companies, Company A has 25%, Company B has 35%, Company C has 20%, and Company D has 20%. If the total market is valued at $1 million, how much is Company B's market share worth?
A.
$250,000
B.
$350,000
C.
$200,000
D.
$200,000
Solution
Company B's market share = 35% of $1 million = $1,000,000 * 0.35 = $350,000.
Q. In a pie chart representing the market share of four companies, Company A has 40%, Company B has 30%, Company C has 20%, and Company D has 10%. If Company A's market share increases by 10%, what will be the new percentage of Company D's market share?
A.
5%
B.
10%
C.
15%
D.
20%
Solution
Company A's increase does not affect Company D's share directly; it remains at 10%.
Q. In a pie chart representing the sales distribution of a bakery, if 'Cakes' account for 45% of total sales, which of the following could be the total sales if cakes sold amount to $1350?
A.
$3000
B.
$4000
C.
$5000
D.
$6000
Solution
If cakes account for 45% and sold for $1350, total sales = $1350 / 0.45 = $3000.
Q. In a pie chart representing the sales distribution of a company, if the segment for 'Electronics' is twice the size of 'Clothing', which of the following ratios represents their sales if 'Clothing' is 20%?
A.
1:2
B.
2:1
C.
1:1
D.
3:1
Solution
If 'Clothing' is 20%, then 'Electronics' is 40%, making the ratio 1:2.
Q. In a pie chart representing the sales of four products A, B, C, and D, if the angle for product A is 90 degrees, what percentage of total sales does it represent? (2023)
A.
25%
B.
50%
C.
75%
D.
10%
Solution
A full circle is 360 degrees. Therefore, (90/360) * 100 = 25%.
Q. In a pie chart representing the types of transportation used by commuters, if 50% use cars, 30% use public transport, and 20% walk, which statement is true?
A.
More people walk than use public transport.
B.
Cars are the most popular mode of transport.
C.
Public transport is the least used.
D.
Walking is preferred by a majority.
Solution
The data shows that cars are the most popular mode of transport.
Correct Answer:
B
— Cars are the most popular mode of transport.
Q. In a pie chart showing the distribution of a company's expenses, if 15% is spent on marketing and 25% on salaries, what percentage is spent on other expenses?
A.
60%
B.
50%
C.
70%
D.
40%
Solution
The total percentage spent on marketing and salaries is 15% + 25% = 40%. Therefore, the percentage spent on other expenses is 100% - 40% = 60%.
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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