The post 12th PreMid Term Mathematics Examination 202223 appeared first on Class Notes.
]]>Chapter 1: Relations and Functions
Chapter 2: Inverse Trigonometric Functions
Chapter 1: Matrices
Chapter 2: Determinants
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]]>The post 11th CBSE Mathematics Assessment 2019 appeared first on Class Notes.
]]>School Name: Himalaya Public School, Sector 13, Rohini, Delhi 110085 India
Time: 40 minutes
Marks: 20
Class: 11th Class
Date: 20/08/2019
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]]>The post 10th CBSE Mathematics Pre Board Exam 202021 appeared first on Class Notes.
]]>School Name: Himalaya Public School, Sector 13, Rohini, Delhi 110085 India
Time: 3 hours
Maximum Marks: 80
Class: 10th
Date: 15 / 01 / 2021
Subject: Mathematics
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]]>The post CBSE 9th Topics Removed for 202021 appeared first on Class Notes.
]]>The Central Board of Secondary Education (CBSE), this year, decided to reduce the syllabus of classes 9th to 12th. The board had to make this decision to compensate for the loss of studies that occurred due to the coronavirus outbreak all through the country. This would definitely reduce pressure among students and help them study the prescribed course effectively. We are providing here the deleted portion of the CBSE Class 9 Syllabus. The deleted portion of the syllabus is applicable only for the current academic session and will not be a part of the internal assessments and annual examination. Students must check the topics and chapters removed from the syllabus so as to plan their studies according to the same.
Check subjectwise details of the deducted portion of CBSE Class 9 syllabus from the following links:
CBSE 9th Class NotesSince, CBSE has revised the syllabus of all subjects of Class 9, it becomes quite necessary for students to know the topics and chapters removed from the previous syllabus so that they do not study the irrelevant content. Knowing the deleted syllabus will help students to make the right plan for preparing other topics properly. This will help them in carrying out productive study sessions while being at home. Check below the complete list of the topics / chapters removed from the CBSE Class 9 Maths Syllabus.
UNIT I – NUMBER SYSTEMS  
Chapter  Topics 
REAL NUMBERS 

UNIT II – ALGEBRA  
Chapter  Topics 
POLYNOMIALS 

LINEAR EQUATIONS IN TWO VARIABLES  Examples, problems on Ratio and Proportion 
UNIT III – COORDINATE GEOMETRY  
Chapter  Topics 
COORDINATE GEOMETRY  No deletion 
UNIT IV – GEOMETRY  
Chapter  Topics 
INTRODUCTION TO EUCLID’S GEOMETRY  Delete the Chapter 
LINES AND ANGLES  No Deletion 
TRIANGLES  Proof of the theorem deleted Two triangles are congruent if any two angles and the included side of one triangle is equal to any two angles and the included side of the other triangle (ASA Congruence).
Topic DeletedTriangle inequalities and relation between ‘angle and facing side’ inequalities in triangles 
QUADRILATERALS  No deletion 
AREA  Delete the Chapter 
CIRCLES  There is one and only one circle passing through three given noncollinear points.
If a line segment joining two points subtends equal angle at two other points lying on the same side of the line containing the segment, the four points lie on a circle. 
CONSTRUCTIONS  Construction of a triangle of given perimeter and base angles 
UNIT V Mensuration  
Chapter  Topics 
UNIT VI – MENSURATION  
AREA  Application of Heron’s Formula in finding the area of a quadrilateral. 
SURFACE AREAS AND VOLUMES  No deletion 
UNIT VI – STATISTICS & PROBABILITY  
Chapter  Topics 
STATISTICS 

PROBABILITY  No deletion 
Syllabus of CBSE Class 9 Science subject has been reduced by 30% for the academic session 20202021. The board has rationalized the syllabus to bring relief to all students who are unable to attend their schools under the COVID19 pandemic fear. A major portion of the syllabus has been removed and all the topics that have been deleted will not be assessed in the internal assessment and the yearend examination in the current academic session (20202021). Therefore, it’s quite essential for students to know the names of deleted topics and chapters of CBSE Class 9 Science.
We are providing here the list of chapterwise topics that are deleted from syllabus. Students should check all these topics carefully and avoid reading the irrelevant content in the upcoming part of the current academic session.
Unit I: MatterNature and Behaviour  
Chapter  Topics 
Matter in Our Surroundings  Definition of matter; solid, liquid and gas; characteristics – shape, volume, density; change of statemelting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation. 
Unit II: Organization in the Living World  
Chapter  Topics 
Diversity in Living Organisms  Diversity of plants and animalsbasic issues in scientific naming, basis of classification. Hierarchy of categories / groups, Major groups of plants (salient features) (Bacteria, Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms). Major groups of animals (salient features) (Nonchordates upto phyla and chordates upto classes). 
Unit III: Motion, Force and Work  
Chapter  Topics 
Floatation  Thrust and Pressure. Archimedes’ Principle; Buoyancy; Elementary idea of Relative Density. 
Sound  Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo and SONAR. Structure of the Human Ear (Auditory aspect only). 
Unit V: Food Production  
Chapter  Topics 
Improvement in Food Resources  Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming. 
Theme: Natural Resources: Balance in nature
Unit IV: Our Environment
Physical resources: Air, Water, Soil. Air for respiration, for combustion, for moderating temperatures; movements of air and its role in bringing rains across India. Air, water and soil pollution (brief introduction). Holes in ozone layer and the probable damages.
Biogeo chemical cycles in nature: Water, Oxygen, Carbon and Nitrogen.
CBSE Class 9 Social Science Syllabus has been cut short by 30%. Here you can check the topics removed from the syllabus for the academic session 20202021.
Amid the COVID19 pandemic fear, All school across the country are still not able to resume classes in their campuses. Though, online classes are being conducted to maintain social distancing, absence of classroom study is creating a big loss in studies. To compensate this loss and reduce pressure among students, CBSE has reduced the syllabus of all subjects of Classes 9th, 10th, 11th and 12th. The board has cut down the syllabus by removing huge certain topics and chapters for the academic session 20202021.
In this article, you will get to know the names of all topics and chapters that have been deleted from the CBSE Class 9 Social Science Syllabus. This will help you avoid reading the irrelevant content and make effective preparations for all your tests and exams to be conducted in the current academic year.
UNIT 1: INDIA AND THE CONTEMPORARY WORLD – I (HISTORY)  
Chapter No. and Chapter Name (NCERT Textbook)  Deleted Portion 
Section 2: Livelihoods, Economies and Societies
NOTE: ANY ONE OUT OF THESE TWO CHAPTERS (CH4 / CH5) Chapter IV: Forest Society and Colonialism Chapter V: Pastoralists in the Modern World 
Complete Section (Both the Chapters) 
UNIT 2: CONTEMPORARY INDIA – I (GEOGRAPHY)  
Chapter No. and Chapter Name (NCERT Textbook)  Deleted Portion 
Chapter 3: Drainage  Complete Chapter except for Map Items which will be assessed in the Examination 
Chapter 6: Population  Complete Chapter 
UNIT 3: DEMOCRATIC POLITICS – I (POLITICAL SCIENCE)  
Chapter No. and Chapter Name (NCERT Textbook)  Deleted Portion 
Chapter 2: Constitutional Design  Democratic Constitution in South Africa (Only) 
Chapter 5: Democratic Rights  Complete Chapter 
UNIT 4: ECONOMICS  
Chapter No. and Chapter Name (NCERT Textbook)  Deleted Portion 
Chapter 4: Food Security in India  Complete Chapter 
Check here the deleted portion of the syllabus for CBSE Class 9 English (Language and Literature) subject. You will know the names of chapters and topics that will not be assessed in the current academic session.
CBSE Syllabus of Class 9 English Language and Literature has been reduced by 30% for the academic year 20202021. A major chunk of the syllabus has been removed. We have provided here a list of the topics and chapters removed from the syllabus. Knowing the names of deleted topics will help students to ignore those topics while studying the subject and preparing the same for the annual examination. Check below the deleted portion of the CBSE Class 9 English syllabus. You can also download the revised/latest syllabus of CBSE Class 9 English from the link provided at the end of this article.
BEEHIVE
MOMENTS
CBSE Class 9 is an important step in a student’s life. Actual preparations of the class 10th board exam starts from class 9th itself. Therefore, class 9 students must be attentive and focused towards their studies. They should follow the right study material. They must be aware of their course curriculum to do study in an effective and productive way. Recently, CBSE made a major alteration in the syllabus of class 9th. The board reduced the syllabus of all subjects by 30%. The portion of the syllabus that has been removed will not be assessed in the internal assessment and the annual examination. Students must know this deleted portion while they study in the current academic session.
CBSE Class 9 is an important step in a student’s life. Actual preparations of the class 10th board exam start from class 9th itself. Therefore, class 9 students must be attentive and focused on their studies. They should follow the right study material. They must be aware of their course curriculum to do study in an effective and productive way. Recently, CBSE made a major alteration in the syllabus of class 9th. The board reduced the syllabus of all subjects by 30%. The portion of the syllabus that has been removed will not be assessed in the internal assessment and the annual examination. Students must know this deleted portion while they study in the current academic session.
In this article, you will know the deleted syllabus of CBSE Class 9 Hindi Course A. You will get to know the names of deleted topics and chapters of Hindi A subject. You need to be very careful about this deleted part of the syllabus so that you do not waste your time reading the irrelevant content.
CBSE has removed certain portion the Class 9 Hindi B Syllabus 20202021. You will know here the names of topics and chapters removed from the syllabus. Also, download the revised CBSE syllabus of Class 9 Hindi B.
CBSE syllabus of Class 9 Hindi B subject is reduced for the current academic session (20202021). The board has cut down the syllabus to help students relieve stress in this period of COVID19 pandemic. Students must get note of the deleted topics and chapters so that they can continue their studies in a productive manner. The deleted portion of the syllabus will not be assessed in the internal assessment and the yearend examination. Therefore, all the class 9 students of CBSE board need to be very careful about the deleted topics and chapters so that they do not waste their time in reading the unprescribed content.
Check here the names of topics deleted from CBSE Class 9 Computer Applications Syllabus for 20202021. These deleted topics will not be assessed in the Annual Exam 2021.
CBSE Class 9 Computer Applications syllabus has been reduced for the academic session 20202021. The board has deleted up to 30% of the topics from the syllabus to reduce the course load on students. This deleted portion is only for the purpose of annual examination 2021. So, all those students who will write the CBSE Class 9 Computer Applications Exam 2021, must check the deleted portion of the Computer Applications syllabus. Knowing the names of deleted topics and chapters is quite essential to avoid reading the content that is not prescribed by the board. You can check below the full list of the deleted topics from the Computer Applications syllabus.
Alternative 1:
Educational programming language – Scratch
OR
Alternative 2: Python
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]]>The post CBSE 10th Topics Removed for 202021 appeared first on Class Notes.
]]>Check the list of topics that have been deleted from the original syllabus of CBSE Class 10th. We have provided here the chapterwise topics that will not be assessed in the Board Exam 2021.
In this article, we are providing a list of the CBSE Class 10th topics that are deleted from the original syllabus. We have collated the chapterwise topics which students need not prepare for the CBSE Class 10th Board Exam 2020. By knowing the deleted portion of the syllabus, students directly focus on those that are prescribed in the revised syllabus of class 10th. This will help them in carrying out productive study sessions in the remaining part of the current academic year.
CBSE 10th Class NotesUNIT I – NUMBER SYSTEMS  
Chapter  Topics 
REAL NUMBERS  Euclid’s division lemma 
UNIT II – ALGEBRA  
Chapter  Topics 
POLYNOMIALS  Statement and simple problems on division algorithm for polynomials with real coefficients. 
PAIR OF LINEAR EQUATIONS IN TWO VARIABLES  cross multiplication method 
QUADRATIC EQUATIONS  Situational problems based on equations reducible to quadratic equations 
ARITHMETIC PROGRESSIONS  Application in solving daily life problems based on sum to n terms 
UNIT III – COORDINATE GEOMETRY  
Chapter  Topics 
COORDINATE GEOMETRY  Area of a triangle 
UNIT IV – GEOMETRY  
Chapter  Topics 
TRIANGLES  Proof of the following theorems are deleted

CIRCLES  No Deletion 
CONSTRUCTIONS  Construction of a triangle similar to a given triangle. 
UNIT V – TRIGONOMETRY  
Chapter  Topics 
INTRODUCTION TO TRIGONOMETRY  Motivate the ratios whichever are defined at 0^{o} and 90^{o} 
TRIGONOMETRIC IDENTITIES  Trigonometric ratios of complementary angles 
HEIGHTS AND DISTANCES  No deletion 
UNIT VI – MENSURATION  
AREAS RELATED TO CIRCLES  Problems on central angle of 120° 
SURFACE AREAS AND VOLUMES  Frustum of a cone 
UNIT VI – STATISTICS & PROBABILITY  
Chapter  Topics 
STATISTICS 

PROBABILITY  No deletion 
Check the CBSE Class 10 Science deleted syllabus here. Know the chapterwise topics that have been removed from the syllabus for the academic session 20202021.
Unit I: Chemical Substances – Nature and Behavior  
Chapter  Topics 
Metals and Nonmetals  Basic metallurgical processes; Corrosion and its prevention. 
Carbon Compounds  Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydro carbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents. 
Unit II: World of Living  
Chapter  Topics 
Control and coordination in animals and plants (Whole Chapter Removed)  Tropic movements in plants; Introduction of plant hormones; Control and coordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical coordination: animal hormones 
Heredity and Evolution  Basic concepts of evolution 
Unit III: Natural Phenomena  
Chapter  Topics 
The Human Eye and the Colourful World  Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses 
Unit IV: Effects of Current  
Chapter  Topics 
Magnetic Effects of Current :  Electric Generator, Direct current. Alternating current: frequency of AC, Advantage of AC over DC. Domestic electric circuits 
Unit V: Natural Resources  
Chapter  Topics 
Sources of Energy (Whole Chapter Deleted)  Different forms of energy, conventional and nonconventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus nonrenewable sources of Energy. 
Management of Natural Resources (This chapter is to be prepared only for Internal Assessment. It will not be assessed in the Annual Board Examination)  Conservation and judicious use of natural resources. Forest and wild life; Coal and Petroleum conservation. Examples of people’s participation for conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources. 
Check the CBSE Class 10 Social Science deleted syllabus here. Know the chapterwise topics that have been removed from the syllabus for the academic session 20202021.
UNIT 1: INDIA AND THE CONTEMPORARY WORLD –II (HISTORY)  
Chapter No. and Chapter Name (NCERT Textbook)  Recommended Portion for deletion 
Section 2: Livelihoods, Economies and Societies NOTE – ANY ONE OUT OF THESE TWO CHAPTERS (CH3 / CH4) Chapter 3: The Making of a Global World Chapter 4: The Age of Industrialization 
The chosen Chapter to be assessed in the Periodic Tests and not in Board Examination. 
Section 3: Everyday Life, Culture and Politics Chapter 5: Print Culture and the Modern World 
Complete Chapter 
UNIT 2: CONTEMPORARY INDIA – II (GEOGRAPHY)  
Chapter No. and Chapter Name (NCERT Textbook)  Recommended Portion for deletion 
Chapter 2: Forest and Wildlife  Complete Chapter 
Chapter 3: Water Resources  Complete Chapter except for Map Items which will be assessed in the Examination 
Chapter 5: Mineral and Energy Resources  Complete Chapter except for Map Items which will be assessed in the Examination 
UNIT 3: DEMOCRATIC POLITICS –II (POLITICAL SCIENCE)  
Chapter No. and Chapter Name (NCERT Textbook)  Recommended Portion for deletion 
Chapter 3: Democracy and Diversity  Complete Chapter 
Chapter 4: Gender, Religion and Caste  Complete Chapter 
Chapter 5: Popular Struggles and Movements  Complete Chapter 
Chapter 8: Challenges to Democracy  Complete Chapter 
Check the CBSE Class 10 English deleted syllabus here. Know the chapterwise topics that have been removed from the syllabus for the academic session 20202021.
FIRST FLIGHT
FOOTPRINTS WITHOUT FEET
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]]>The post 9th CBSE Mathematics Mid Term Unsolved Paper 2019 appeared first on Class Notes.
]]>Q 1. There can be _______ many irrational numbers between two numbers on the number line.
Q 2. A polynomial of degree __________ is called constant polynomial.
Q 3. Coordinates of a point on the xaxis are of the form ________.
Q 4. Find the rational number among the following numbers:
Q 5. The radius of a sphere i 2r, than the volume will be
Q 6. An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Each of these equal angle is:
Q 7. Three angles of a quadrilateral are 75°, 90° & 55°, find the fourth angle.
Q 8. Find the volume of sphere in terms of II whose diameter is 6 cm.
Q 9. Find the length of each side of an equilateral triangle having an area of 9√3 cm².
Q 10. In ΔPQR, PQ = PR and ∠Q = 65°, then find ∠R.
Q 11. Can a triangle have all the angles less than 60°? Give reason.
Q 12. Zero is a rational number.
Q 13. x + 2√x + 1 is a polynomial.
Q 14. Two circle of same radii are congruent.
Q 15. Point (0, 7) lies in IV Quadrant.
Q 16. There cannot be more than one obtuse angle in a triangle.
Q 17. If (x + 1) is a factor of ax³ + 2x + 4a – 9. Find the value of a.
Q 18. Prove that each angle of an equilateral triangle is 60°.
OR
In the given fig.
∠B < ∠A and ∠C < ∠D
Show that AD<BC
Q 19. The circumference of the base of a cylindrical vessel is 132 cm and its height is 25 cm. How many liters of water can it hold?
Q 20. Find the value of a and b.
7 + √5 / 7 – √5 – 7 – √5 / 7 + √5 = a + 7/11 √5b
OR
(b) Locate √2 on a number line. [1½]
Q 21. If the polynomial az³ + 4z² + 3z – 4 and z³ – 4z + a leaves the same remainder when divided by z – 3, find the value of a.
OR
Simplify: (a + b + c)² – (a – b – c)² + 4b² – 4c²
Q 22. In fig. if ABCD,
CDEF and y:z = 3:7
Find x
OR
It is given that ∠XYZ = 64° and XY is produced to point P. Draw a figure from the given information. If ray YQ bisects ∠ZYP find ∠XYQ and reflex ∠QYP.
Q.23. In figure, AB is a line segment and P is its mid point.
D and E are points on the same side of AB such
that ∠BAD = ∠ABE and ∠EPA = ∠DPB. Show that
Q 24. A field is in the shape of a trapezium whose parallel sides are 25 m and 10 m. The non parallel sides are 14 m and 13 m. Find the area of the field.
Q.25. In figure, Diagonal AC of a parallelogram
ABCD bisect ∠A. Show that:
OR
Show that the diagonals of a rhombus are perpendicular to each other.
Q 26. Curved surface area of a cone is 308 cm² and its slant height is 14 cm. Find
Q 27. A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm. If the bowl is filled soup to a height of 4 cm, how much soup the hospital has to prepare daily to serve 250 patients?
Q 28. If a = 3 + 2√2, find the value of
Q 29. By actual division, find the quotient and remainder when 3x^{4} – 4x³ – 3x – 1 is divided by x + 1.
OR
If a + b + c = 6 and and ab + bc + ca = 11, then find the value of a³ + b³ + c³ – 3abc
Q 30. Plot the points A (2,0), B(5,0) and C (5,3). Find the coordinates of the point D such that ABCD is a square. Find the area and perimeter of square.
Q 31.
Two side AB and BC and median AM of one triangle ABC are respectively equal to sides PQ and OR and median PN of ΔPQR.
Show that:
OR
In fig., PR>PQ and PS bisects
∠QPR. Prove that ∠PSR > ∠PSQ.
Q 32. Twenty seven solid iron spheres each of radius r¹ and surface area S are melted to form a sphere with surface area S¹. Find the
OR
Volume of the two spheres are in the ratio 125:27. Find the ratio of their surface areas.
Q 33. ABC is a triangle right angled at C. A line through the mid point M of hypotenuse AB and parallel to BC intersect AC at D. Show that
Q 34. ________ 3D Printing technology was invented by Chuck Hull in 1983. [1]
Q 35. _________ 3D Printing technology used in our school. [1]
Q 36. Which of the following software we used in 3D printing? [1]
Q 37. The name of the material we use for 3D printing is [1]
Q 38. Give a brief introduction of smart city? [2]
Q 39. What is the difference between alternating current and direct current? What is I.C. and write its full form. [2]
Question: What is the diameter of the filament you use in 3D Printer? What is the full form of FDM? [2]
OR
What is alternating current? From where you obtained AC & DC?
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