NCERT Solutions For Class 10 Maths Chapter 4 Quadratic Equations Ex 4.2


Topics and Sub Topics in Class 10 Maths Chapter 4 Quadratic Equations:

Section NameTopic Name
4Quadratic Equations
4.1Introduction
4.2Quadratic Equations
4.3Solution of a Quadratic Equation by Factorisation
4.4Solution of a Quadratic Equation by Completing the Square
4.5Nature of Roots
4.6Summary

You can also download the free PDF of Chapter 4 Ex 4.2 Quadratic Equations NCERT Solutions or save the solution images and take the print out to keep it handy for your exam preparation.

BoardCBSE
TextbookNCERT
ClassClass 10
SubjectMaths
ChapterChapter 4
Chapter NameQuadratic Equations
ExerciseEx 4.2
Number of Questions Solved6
CategoryNcertcareer

NCERT Solutions For Class 10 Maths Chapter 4 Quadratic Equations Ex 4.2

NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Ex 4.2 are part of NCERT Solutions for Class 10 Maths. Here we have given NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Ex 4.2.

Ex 4.2 Class 10 Maths Question 1.
Find the roots of the following quadratic equations by factorisation:
(i) x2 -3x – 10 = 0
(ii) 2x2 + x – 6 = 0
(iii) √2x2 + 7x + 5√2 = 0
(iv) 2x2 – x + 18 = 0 8
(v) 100 x2 – 20 X + 1 = 0
Solution:
NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Exercise 4.2 Q1
NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Exercise 4.2 Q1.1
NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Exercise PDF 4.2 Q1

https://youtube.com/watch?v=videoseries%3Flist%3DPLXX3lyEZ5Op5LdAkjdB8hW9qcL0Hh26SB

Ex 4.2 Class 10 Maths Question 2.
Solve the following situations mathematically:
(i) John and Jivanti together have 45 marbles. Both of them lost 5 marbles each and the product of the number of marbles they now have is 124. We would like to find out how many marbles they had to start with.
(ii) A cottage industry produces a certain number of toys in a day. The cost of production of each toy (in rupees) was found to be 55 minus the number of toys produced in a day. On a particular day, the total cost of production was ₹750. We would like to find out the number of toys produced on that day.
Solution:
Exercise 4.2 Class 10 Maths NCERT Solutions Chapter 4 Quadratic Equations PDF Download Q2

Ex 4.2 Class 10 Maths Question 3.
Find two numbers whose sum is 27 and product is 182.
Solution:
Exercise 4.2 Class 10 Maths NCERT Solutions Chapter 4 Quadratic Equations Free PDF Download Q3

Ex 4.2 Class 10 Maths Question 4.
Find two consecutive positive integers, the sum of whose squares is 365.
Solution:
Exercise 4.2 Class 10 Maths NCERT Solutions Chapter 4 Quadratic Equations PDF Q3

Ex 4.2 Class 10 Maths Question 5.
The altitude of a right triangle is 7 cm less than its base. If the hypotenuse is 13 cm, find the other two sides.
Solution:
Exercise 4.2 Class 10 Maths NCERT Solutions Chapter 4 Quadratic Equations Q5

Ex 4.2 Class 10 Maths Question 6.
A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was ₹90, find the number of articles produced and the cost of each article.
Solution:
Chapter 4 Maths Class 10 NCERT Solutions Exercise 4.2 PDF Download Q6

NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations (Hindi Medium) Ex 4.2

NCERT Solutions for Class 10 Maths Chapter 4 Exercise 4.2 Quadratic Equations
NCERT Solutions for Class 10 Maths Chapter 4 Exercise 4.2 in English PDF
class 10 maths chapter 4 exercise 4.2 in english
NCERT Solutions for Class 10 Maths Chapter 4 Exercise 4.2 Quadratic Equations in Hindi
class 10 maths chapter 4 exercise 4.2 in Hindi medium
10 maths chapte 4 exercise 4.2
class 10 maths chapter 4 ex. 4.2 in hindi
NCERT Solutions for Class 10 Maths Chapter 4 Exercise 4.2 Quadratic Equations
NCERT Solutions for Class 10 Maths Chapter 4 Exercise 4.2 Quadratic Equations in Hindi
NCERT Solutions for Class 10 Maths Chapter 4 Exercise 4.2 in English PDF
class 10 maths chapter 4 exercise 4.2 in english

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