NCERT Solutions with NCERTplanet
NCERT Solutions with NCERTplanet
Class 10 – Mathematics Linear Equations In Two Variables – Exercise 3.6 Exercise 3.6 Question : 1:Solve the following pairs of equations by reducing them to a pair of linear equations: (i) 1/2x + 1/3y = 2 (ii) 2/√x +…
Class 10 – Mathematics Linear Equations In Two Variables – Exercise 3.5 Exercise 3.5 Question : 1:Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution,…
Class 10 – Mathematics Linear Equations In Two Variables – Exercise 3.4 Exercise 3.4 Question : 1:Solve the following pair of linear equations by the elimination method and the substitution method: (i) x + y = 5 and 2x –…
Class 10 – Mathematics Linear Equations In Two Variables – Exercise 3.3 Exercise 3.3 Question : 1:Solve the following pair of linear equations by the substitution method. (i) x + y = 14; x – y = 4 (ii) s…
Class 10 – Mathematics Linear Equations In Two Variables – Exercise 3.2 Exercise 3.2 Question : 1:Form the pair of linear equations in the following problems, and find their solutions graphically. (i) 10 students of Class X took part in…
Class 10 – Mathematics Linear Equations In Two Variables – Exercise 3.1 Exercise 3.1 Question : 1:Aftab tells his daughter, “Seven years ago, I was seven times as old as you were then. Also, three years from now, I shall…
Class 10 – Mathematics Polynomials – Exercise 2.4 Exercise 2.4 Question : 1:Verify that the numbers given alongside of the cubic polynomials below are their zeroes. Also verify the relationship between the zeroes and the coefficients in each case: (i)…
Class 10 – Mathematics Polynomials – Exercise 2.3 Exercise 2.3 Question : 1:Divide the polynomial p(x) by the polynomial g(x) and find the quotient and remainder in each of the following: (i) p(x) = x3 – 3×2 + 5x –…
Class 10 – Mathematics Polynomials – Exercise 2.2 Exercise 2.2 Question : 1:Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients. (i) x2 – 2x – 8 (ii) 4s2 – 4s…
Class 10 – Mathematics Polynomials – Exercise 2.1 Exercise 2.1 Question : 1:The graphs of y = p(x) are given in Fig. 2.10 below, for some polynomials p(x). Find the number of zeroes of p(x), in each case. Answer :…
Class 10 – Mathematics Real Numbers – Exercise 1.3 Exercise 1.3 Question : 1:Prove that √5 is irrational. Answer : Let us suppose that √5 is a rational number. So, it can be represented as p/q form ⇒ √5 =…
Class 10 – Mathematics Real Numbers – Exercise 1.2 Exercise 1.2 Question : 1:Express each number as a product of its prime factors: (i) 140 (ii) 156 (iii) 3825 (iv) 5005 (v) 7429 Answer : (i) 140 = 2 *…
Class 10 – Mathematics Real Numbers – Exercise 1.1 Exercise 1.1 Question : 1:Use Euclid’s division algorithm to find the HCF of: (i) 135 and 225 (ii) 196 and 38220 (iii) 867 and 255 Answer : (i) 135 and 225…
Class 10 – Information Technology Chapter 9 – Social Impacts of IT Very Short Answer Type Questions Question : 1. Define virus. Answer : A virus is a harmful program, which on entering a computer, starts creating copies of itself.…
Class 10 – Information Technology Chapter 8 – Introduction to XML Very Short Answer Type Questions Question : 1. What do you mean by XML file? Answer : XML file or XML document is a component of XML document system…
Class 10 – Information Technology Chapter 7 – Working with Tables in HTML Multiple Choice Questions Question : 1. Which of these tags belong to table? (a) <thead>,<body>,<tr> (b) <table>,<head>,<tfoot> (c) <table>,<tr>,<td> (d) <table>,<tr>,<tt> Answer : (c),<table>,<tr>, <td> tags are…
Class 10 – Information Technology Chapter 6 – Inserting Images and Links in HTML Very Short Answer Type Questions Question :1. How can text be displayed in place of image for users whose browser do not support images? CBSE 2007…
Class 10 – Information Technology Chapter 5 – HTML (Hyper Text Markup Language) Very Short Answer Type Questions Question 1. HTML is a markup language. Expand the term HTML. CBSE 2002 Answer : HyperTextMarkup Language. Question : 2. Give examples…
Class 10 – Information Technology Chapter 4 – Microsoft Access Very Short Answer Type Questions Question :1. What is the default extension of a MS-Access database? Answer : The default extension of a MS-Access database is .accdb. Question : 2.…
Class 10 – Information Technology Chapter 3 – Database Concepts Very Short Answer Type Questions Question 1. What is database? Give example. CBSE 2010 Answer : A collection of related information organised as tables is known as database, e.g. INGRES,…