Daily Practice Problems undefined Sets

Question 1.

Which of the following are sets? Justify your answer.

List of 10 best singers of the world.
List of all students in your school.
Collection of all non-even numbers.
List of 15 favourite food of India.

Question 2.

Write the set-builder form for A = {1, 16, 81, 256…}.

Question 3.

State with reason whether the given statement is true of false.

c ⊂ {c, a, t}
ϕ ∈ {1, 2, 3, 10}
{2, u} ⊄ {a, e, i, o, u, 1, 2}
{4} ∈ {1, 2, {4,5}, 5}
{5} ∈ {1, 2, 3, 4, {5}}

Question 4.

If A = {0,4,{8}}, write down all the subsets of A and what will be P(A) also use the formula to find the number of subsets.

Question 5.

If A ⊂ B and B ⊂ C then A ∪ C =?

Question 6.

What will be the universal set of all the words in the English dictionary?

Question 7.

If A = {1,2,3,4} and B = {3,4,5,6} then find:

(a) A∪B

(b) A∩B

(d) B-A.

Question 8.

If A = ϕ then find n(P(A)).

Question 9.

For any three sets A, B and C. Show that A ∪ (B ∩ C) = (A ∪ B) ∩ (A ∪ C).

Question 10.

Write the following as intervals:

{ x : x ∈ R, -8< x ≤19}
{ x : x ∈ R, 0< x <12}
{ x : x ∈ R, 24> x ≥9}
{ x : x ∈ R, -1≤ x ≤1}
{ x : x ∈ R, -9< x ≤-5}.

Question 11.

Draw the Venn diagram for each of the following:

(A∪B∪C)
(A∪B)∩C’
(A∩B∩C)
(A∪B)∩(A∩B∩C)’.

Question 12:

Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 more than the total number of subsets of the second set. The values of m and n respectively are:

(a) 7, 6

(b) 5, 1

(d) 8, 7

Question 13.

If A = {1, 2, 3, 4}, B = {a, b, c, d}, then what will be the number of elements of P(A∩B)?

Question 14.

If A and B are two sets and B′ denotes the complement of B, then B ∩ (A ∪ B)′

is equal to:

(a) A

(b) B

(d) A ∩ B.

Question 15.

For A, B and C three sets under the universal set U, if n(U) = 600, n(A) = 250, n(B) = 200 and n(A∩B) = 50. Find n(A’∩B’).

Question 16.

If X = {(x, y) : y = e^-x; x ∈ W} and Y = {(x, y) : y = e^x, x ∈ W}, then what will be the value of (X ∩ Y)?

Question 17.

In a class of 80 students, 35 students play chess and 25 students play basketball, and 15 students play both the games. Find the number of students who play neither of them.

Question 18.

For any set N = {1, 2, 3, ..., 50},

(i) Write the subset A of N, whose elements are odd numbers.

(ii) Write the subset B of N, whose elements are represented by x + 2;

where x ∈ N.

Question 19.

If A and B be the sets defined as follows:

A = { x : x ∈ N , x is divisible by 4 }

B = { y : y ∈ N , y is divisible by 5 }

then A ∩ B = φ is true or false?

Question 20.

In a survey, 85 % of Indians like mangoes, whereas 55 % like guavas. What percentage of the Indians like both mangoes and guavas?

**********

Problem-solving on Class 11 Maths Sets NCERT Chapter 1 after learning a theoretical concept is crucial for several reasons:

Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic Class 11 Maths Sets you have learned to real-life situations. It helps you bridge the gap between abstract knowledge and practical scenarios, making the learning more relevant and meaningful.
Understanding Deeper Concepts: When you encounter problems related to a theoretical concept that you learned in Class 11 Maths Sets NCERT Chapter 1, you are forced to delve deeper into its intricacies. This deeper understanding enhances your comprehension of the subject and strengthens your grasp of the underlying principles.
Critical Thinking: Problem-solving encourages critical thinking and analytical skills. It requires you to analyze the problem, identify relevant information, and devise a logical solution. This process sharpens your mind and improves your ability to approach complex challenges effectively.
Retention and Recall: Actively engaging in problem-solving reinforces your memory and improves long-term retention. Applying the concepts learned in Sets Class 11 Maths in practical scenarios helps you remember them better than passive reading or memorization.
Identifying Knowledge Gaps: When you attempt to solve problems, you may encounter areas where your understanding is lacking. These knowledge gaps become evident during problem-solving, and you can then focus on filling those gaps through further study and practice. You can refer Sets Class 11 Maths Notes on LearnoHub.com
Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Sets. This confidence motivates you to tackle more challenging tasks and improves your overall performance in the subject.
Preparation for Exams and Challenges: Many exams, especially in science, mathematics, and engineering, involve problem-solving tasks. Regular practice in problem-solving prepares you to face these exams with confidence and perform well. It is also advised to take tests on Sets Class 11 Maths Online Tests at LearnoHub.com.
Enhancing Creativity: Problem-solving often requires thinking outside the box and exploring various approaches. This fosters creativity and innovation, enabling you to come up with novel solutions to different problems.
Life Skills Development: Problem-solving is a valuable life skill that extends beyond academics. It equips you with the ability to tackle various challenges you may encounter in personal and professional life.
Improving Decision Making: Problem-solving involves making decisions based on available information and logical reasoning. Practicing problem-solving enhances your decision-making skills, making you more effective in making informed choices.

In summary, problem-solving after learning a theoretical concept on CBSE Sets Class 11 Maths is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.

You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.

Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.

All About Daily Practice Problems on Class 11 Maths Sets NCERT Chapter 1

Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on Class 11 Maths Sets NCERT Chapter 1 useful.

Last but not least, to get the best hold on Class 11 Maths Sets NCERT Chapter 1, do not forget to check out:

Sets Class 11 Maths Best videos
Sets Class 11 Maths NCERT Solutions
Class 11 Maths Sets Revision notes
Sets Class 11 Maths DPPs, Download PDF of solutions
Class 11 Maths Sets Online Tests
Class 11 Maths Sample papers