CBSE MATHEMATICS (IX-X)

Revising previous year X maths questions and conducting chapter-wise revision can be highly beneficial for students for the following reasons: 1. Comprehensive coverage : Revising previous year questions and conducting chapter-wise revision ensures that students cover all the important topics and concepts in the syllabus. This approach helps in identifying areas of strength and weakness, allowing students to focus on improving their understanding of specific topics. 2. Effective time management : By revising previous year questions and following a chapter-wise revision schedule, students can allocate their study time efficiently. This method helps in prioritizing topics based on their importance and weightage in the exam, ensuring that students are well-prepared for all sections of the paper. 3. Improved retention : Revisiting previous year questions and revising chapters systematically helps in reinforcing learning and improving retention of key concepts. This approach ens

  X th   MATHEMATICS ASSIGNMENT 100424_002 CH.01 REAL NUMBERS   (To prove given number as irrational) Click here to get  same document in pdf form 

  X th   MATHEMATICS ASSIGNMENT 100424_001 CH.01 REAL NUMBERS   (Applications of HCF and LCM) Q.1   Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together? (excluding the one at start)     [ ANS: LCM(2,4,6,8,10,12) = 120 sec= 2 min. ,    15 times] Q.2 The traffic lights at three different road crossings change after every 48 sec, 72 sec and 108 sec respectively. If they all change simultaneously at 8:20:00 hrs, when will they again change simultaneously ?                           [ ANS:  LCM=  432 seconds  =  7 min 12 sec .  Hence  answer is 08:27:12 hrs] Q.3 A merchant has 120 ltrs of and 180 ltrs of two kinds of oil. He wants the sell oil by filling the two kinds of oil in tins of equal volumes. What is the greatest of such a tin.   [ ANS: HCF =60 ltrs.] Q.4 Find the least number of soldiers in a regiment such that they stand in rows of 15, 20, 25 and form a p

The benefits of having a math answer key for students who have appeared in a board exam are numerous: 1. Immediate feedback: Students can quickly check their answers against the correct solutions provided in the answer key. This immediate feedback helps them identify any mistakes they may have made during the exam. 2. Understanding mistakes: By comparing their answers with the answer key, students can pinpoint where they went wrong and understand the correct approach to solving the problem. This helps in learning from mistakes and improving problem-solving skills. 3. Confidence boost: Seeing that they have correctly answered questions in the exam gives students a confidence boost. It reinforces their understanding of the subject and validates their knowledge. 4. Preparation for future exams: Reviewing the answer key helps students identify areas where they need to focus more attention for future exams. It serves as a tool for self-assessment and enables students to gauge th

Last year's question papers are important for Xth mathematics revision for several reasons: 1. Familiarity with Exam Pattern: By solving last year's question papers, students can become familiar with the exam pattern, types of questions, and marking scheme used in the board exams. This helps them understand the structure of the exam and prepare accordingly. 2. Practice and Revision: Solving previous year's question papers helps students practice and revise the concepts they have learned. It allows them to apply their knowledge to different types of questions and challenges their problem-solving skills. 3. Identify Important Topics: By going through last year's question papers, students can identify the important topics that are frequently asked in the exam. This helps them prioritize their revision and focus on key concepts that are likely to appear in the exam. 4. Time Management: Practicing with previous year's question papers helps stude

Class 10 Maths Chapters MCQ When approaching multiple-choice questions in Mathematics, here are some tips to help you select the correct answer: 1. Understand the question : Read the question carefully and make sure you understand what is being asked. Pay attention to any specific instructions or conditions provided. 2. Show your work: For math problems, it can be helpful to show your work, especially for complex or multi-step problems. This can help you keep track of your calculations and identify any errors. 3. Check units and formatting: Pay attention to units of measurement, formatting requirements, and any other specific details that may be important in the question. Make sure your final answer is in the correct form. 4. Plug in values : If applicable, consider plugging in values to test different answer choices. This can help you eliminate incorrect options and narrow down your choices. 5. Use process of elimination : If you are unsure of the correct answer, try to eliminate choi

NCERT textbooks for Class X Maths cover a wide range of topics that are essential for building a strong foundation in mathematics. Some of the most important questions from the NCERT textbook for Class X Maths include: 1. Real Numbers : Questions related to properties of real numbers, Euclid's division lemma, and the fundamental theorem of arithmetic. 2. Polynomials : Questions on finding zeros of polynomials, factorization of polynomials, and relationships between the zeros and coefficients of polynomials. 3. Quadratic Equations: Questions on solving quadratic equations using different methods such as factorization, completing the square, and the quadratic formula. 4. Arithmetic Progressions : Questions on finding the nth term of an arithmetic progression, sum of n terms of an AP, and applications of AP in real-life situations. 5. Triangles : Questions on properties of triangles, congruence and similarity of triangles, Pythagoras theorem, and applications of trigonomet