NCERT Solutions Class 9 Mathematics Polynomials Exercise 2.2
Class 9 – Mathematics Polynomials – Exercise 2.2 Exercise 2.2 Question : Find the value of the polynomial 5x – 4×2 + 3 at (i) x = 0 (ii) x = -1 (iii) x = 2 Answer : Let p(x)…
NCERT Solutions with NCERTplanet
NCERT Solutions with NCERTplanet
NCERT Solutions Class 9 Mathematics Polynomials Exercise 2.1
Class 9 – Mathematics Polynomials – Exercise 2.1 Exercise 2.1 Question : Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (i) 4×2 – 3x + 7 (ii) y2 +…
NCERT Solutions Class 9 Mathematics Number System Exercise 1.6
Class 9 – Mathematics Number System – Exercise 1.6 Exercise 1.6 Question : 1:Find: (i) 641/2 (ii) 321/5 (iii) 1251/3 Answer : (i) 641/2 = (82)1/2 = 82 * 1/2 = 81 = 8 (ii) 321/5 = (25)1/5 = 25…
NCERT Solutions Class 9 Mathematics Number System Exercise 1.5
Class 9 – Mathematics Number System – Exercise 1.5 Question : 1:Classify the following numbers as rational or irrational: (i) 2 – √5 (ii) (3 + √23) – √23 (iii) 2√7/7√7 (iv) 1/√2 (v) 2π Answer : (i) 2 –…
NCERT Solutions Class 9 Mathematics Number System Exercise 1.4
Class 9 – Mathematics Number System – Exercise 1.4 Exercise 1.4 Question : 1:Visualize 3.765 on the number line, using successive magnification. Answer : First of all, we observe that 3.765 lies between 3 and 4. Divide this portion in…
NCERT Solutions Class 9 Mathematics Number System Exercise 1.3
Class 9 – Mathematics Number System – Exercise 1.3 Exercise 1.3 Question : 1:Write the following in decimal form and say what kind of decimal expansion each has: (i) 36/100 (ii) 1/11 (iii) 4 (iv) 3/13 (v) 2/11 (vi) 329/400…
NCERT Solutions Class 9 Mathematics Number System Exercise 1.2
Class 9 – Mathematics Number System – Exercise 1.2 Exercise 1.2 Question : 1:State whether the following statements are true or false. Justify your answers. (i) Every irrational number is a real number. (ii) Every point on the number line…
NCERT Solutions Class 9 Mathematics Number System Exercise 1.1
Class 9 – Mathematics Number System – Exercise 1.1 Exercise 1.1 Question : 1:Is zero a rational number? Can you write it in the form p/q where p and q are integers and q ≠ 0? Answer : Yes, zero…
NCERT Solutions Class 9 Information And Communication Technology Chapter 12 Social Impacts of IT
Class 9 – Information & Communication Technology Chapter 12 – Social Impacts of IT Very Short Answer Type Questions Question : 1: What are the main functions related to information? Answer : Following are the three main functions related to…
NCERT Solutions Class 9 Information And Communication Technology Chapter 11 MS-Excel 2007
Class 9 – Information & Communication Technology Chapter 11 – MS-Excel 2007 Very Short Answer Type Questions Question : 1: Define the term workbook. Answer : A workbook is a collection of worksheets. By default, there are three worksheets in…
NCERT Solutions Class 9 Information And Communication Technology Chapter 10 MS-Power Point 2007
Class 9 – Information & Communication Technology Chapter 10 – MS-Power Point 2007 Very Short Answer Type Questions Question : 1: Write down the name of default view in a PowerPoint presentation. Answer : By default, a presentation screen is…
NCERT Solutions Class 9 Information And Communication Technology Chapter 9 MS-Word 2007 Advanced
Class 9 – Information & Communication Technology Chapter 9 – MS-Word 2007 Advanced Very Short Answer Type Questions Question : 1: Under the Insert tab, which group contains the features like Shapes, Clip Art? Answer : Under Insert tab, Illustrations…
NCERT Solutions Class 9 Information And Communication Technology Chapter 8 MS-Word 2007 Basics
Class 9 – Information & Communication Technology Chapter 8 – MS-Word 2007 Basics Very Short Answer Type Questions Question : 1.How do you locate MS-Word 2007 on your computer system? Answer : To locate MS-Word on our computer system: Click…
NCERT Solutions Class 9 Information And Communication Technology Chapter 7 Windows Operating System
Class 9 – Information & Communication Technology Chapter 7 – Windows Operating System Very Short Answer Type Questions Question : 1.What do you understand by Windows? Answer : Windows is an operating system that controls all parts of that computer…
NCERT Solutions Class 9 Information And Communication Technology Chapter 6 Basic Concepts of Operating System
Class 9 – Information & Communication Technology Chapter 6 – Basic Concepts of Operating System Very Short Answer Type Questions Question : 1.What is an operating system? Answer : An operating system is a system software that acts as an…
NCERT Solutions Class 9 Information And Communication Technology Chapter 5 Content Technology
Class 9 – Information & Communication Technology Chapter 5 – Content Technology Very Short Answer Type Questions Question : 1.What do you mean by the processing of data? Answer : The restructuring or reordering of data by people or machine…
NCERT Solutions Class 9 Information And Communication Technology Chapter 4 Communication Technology
Class 9 – Information & Communication Technology Chapter 4 – Communication Technology Very Short Answer Type Questions Question : 1. Name the term defined by given below statement: “A group of computers connected to each other by a link.” Answer…
NCERT Solutions Class 9 Information And Communication Technology Chapter 3 Computer Software
Class 9 – Information & Communication Technology Chapter 3 – Computer Software Very Short Answer Type Questions Question : 1. What is a computer software? Answer : Computer software is a collection of programs, procedure and related data that provide…
NCERT Solutions Class 9 Information And Communication Technology Chapter 2 Computer System Organisation
Class 9 – Information & Communication Technology Chapter 2 – Computer System Organisation Very Short Answer Type Questions Question : 1. Name the most commonly used input device. Answer : Keyboard is the most commonly used input device, which can…
NCERT Solutions Class 9 Information And Communication Technology Chapter 1 Convergence of Technologies
Class 9 – Information & Communication Technology Chapter 1 – Convergence of Technologies Very Short Answer Type Questions Question : 1.What do you mean by convergence of technology? Answer : Convergence of technology is the interaction of two or more…