• Skip to main content
  • Skip to secondary menu
  • Skip to primary sidebar

Class Notes

Free Education for All

  • Class 1-5
  • Class 6
  • Class 7
  • Class 8
  • Class 9
  • Class 10
  • Class 11
  • Class 12
  • NCERT Solutions
    • NCERT Books

Maths

Exercise 5.2

Last Updated on April 17, 2021 By Mrs Shilpi Nagpal Leave a Comment

NCERT Solutions for Class 10 Maths Chapter 5 Arithmetic Progressions Exercise 5.2 Page 105   1. Fill in the blanks in the following table, given that a is the first term, d the common difference and an the nth term of the … [Read more...] about Exercise 5.2

Exercise 5.1

Last Updated on April 16, 2021 By Mrs Shilpi Nagpal Leave a Comment

NCERT Solutions for Class 10 Maths Chapter 5 Arithmetic Progressions Exercise 5.1 Page 99   1. In which of the following situations, does the list of numbers involved make an arithmetic progression and why? (i) The taxi fare after each km when the fare is ₹ 15 for the first km and ₹ 8 for each additional km. (i) Let tn be the taxi fare for first n km. Then t1 … [Read more...] about Exercise 5.1

Exercise 4.4

Last Updated on April 14, 2021 By Mrs Shilpi Nagpal Leave a Comment

NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Exercise 4.4 Page 91 1. Find the nature of the roots of the following quadratic equations. If the real roots exist, find them; (i) 2x2 – 3x + 5 = 0 2x2 – 3x + 5 = 0 Comparing the equation with ax2 + bx + c = 0, we get a = 2, b = -3 and c = 5 We know, Discriminant = b2 – 4ac = ( – 3)2 – 4 (2) … [Read more...] about Exercise 4.4

Exercise 4.3

Last Updated on June 16, 2021 By Mrs Shilpi Nagpal Leave a Comment

NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Exercise 4.3 Page 87 1. Find the roots of the following quadratic equations, if they exist, by the method of completing the square: (i) 2x2 – 7x + 3 = 0 Given 2x2 - 7x + 3 =0 $ \begin{equation} \begin{aligned} &\Rightarrow 2\left(x^{2}-\frac{7}{2} x+\frac{3}{2}\right)=0\\\\ &\Rightarrow … [Read more...] about Exercise 4.3

Exercise 4.2

Last Updated on April 13, 2021 By Mrs Shilpi Nagpal Leave a Comment

NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Exercise 4.2 Page 76 1. Find the roots of the following quadratic equations by factorisation: (i) x2 – 3x – 10 = 0 Given, x2 – 3x – 10 =0 Taking LHS, =>x2 – 5x + 2x – 10 =>x(x – 5) + 2(x – 5) =>(x – 5)(x + 2) The roots of this equation, x2 – 3x – 10 = 0 are the values of x for … [Read more...] about Exercise 4.2

Exercise 4.1

Last Updated on April 13, 2021 By Mrs Shilpi Nagpal Leave a Comment

NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Exercise 4.1 Page 73 1. Check whether the following are quadratic equations: (i) (x + 1)2 = 2(x – 3) Given, (x + 1)2 = 2(x – 3) By using the formula for (a+b)2 = a2+2ab+b2 ⇒ x2 + 2x + 1 = 2x – 6 ⇒ x2 + 7 = 0 Since the above equation is in the form of ax2 + bx + c = 0. ∴ the given … [Read more...] about Exercise 4.1

Exercise 3.7

Last Updated on April 11, 2021 By Mrs Shilpi Nagpal Leave a Comment

Chapter 3 Linear Equations Exercise 3.7 - Q7

NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Exercise 3.7 (Optional) Page 68 1. The ages of two friends Ani and Biju differ by 3 years. Ani’s father Dharam is twice as old as Ani and Biju is twice as old as his sister Cathy. The ages of Cathy and Dharam differ by 30 years. Find the ages of Ani and Biju. The age difference between … [Read more...] about Exercise 3.7

Exercise 3.6

Last Updated on April 9, 2021 By Mrs Shilpi Nagpal Leave a Comment

NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Exercise 3.6 Page 67 1. Solve the following pairs of equations by reducing them to a pair of linear equations: (i) 1/2x + 1/3y = 2 1/3x + 1/2y = 13/6 Let us assume 1/x = m and 1/y = n , then the equation will change as follows. m/2 + n/3 = 2 ⇒ 3m+2n-12 = 0 .....(i) m/3 + … [Read more...] about Exercise 3.6

Exercise 3.5

Last Updated on April 9, 2021 By Mrs Shilpi Nagpal Leave a Comment

NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Exercise 3.5 Page 62 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, find it by using cross multiplication method. (i) x – 3y – 3 = 0 and 3x – 9y – 2 = 0 (ii) 2x + y = 5 and 3x + 2y … [Read more...] about Exercise 3.5

Exercise 3.4

Last Updated on April 9, 2021 By Mrs Shilpi Nagpal Leave a Comment

NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Exercise 3.4 Page 56 1. Solve the following pair of linear equations by the elimination method and the substitution method: (i) x + y = 5 and 2x – 3y = 4 (ii) 3x + 4y = 10 and 2x – 2y = 2 (iii) 3x – 5y – 4 = 0 and 9x = 2y + 7 (iv) x/2+ 2y/3 = -1 and x-y/3 = 3 (i) x + y = 5 … [Read more...] about Exercise 3.4

  • Go to page 1
  • Go to page 2
  • Go to page 3
  • Go to Next Page »

Primary Sidebar

Recent Posts

  • Chapter 7 The Last Leaf
  • Chapter 6 Weathering the Storm in Ersama
  • Chapter 5 The Happy Prince
  • Chapter 4 In the Kingdom of Fools
  • Chapter 3 Iswaran the Storyteller
  • Chapter 2 The Adventures of Toto
  • Chapter 1 The Lost Child
  • Chapter 11 If I were You
  • Chapter 10 Kathmandu
  • Email
  • Facebook
  • Pinterest
  • RSS
  • Twitter

Copyright © 2022 · About Us · Contact Us · Privacy Policy