NCERT class 10 maths chapter 4 Quadratic Equations
Question 1:Find the roots of the following quadratic equations by factorisation: (i) x2 – 3x – 10 = 0 (ii) 2x2 + x – 6 = 0 (iii) 2 x2 + 7 x + 5 2 = 0 (iv) 2x2 – x + 1 8 = 0 (v) 100x2 – 20x + 1 = 0
Exercise 4.2 maths class 10 Chapter 4 Quadratic Equations
Question 2:Solve the problems given in Example 1.
CBSE class 10 maths ncert solutions Chapter 4
Question 3:Find two numbers whose sum is 27 and product is 182.
class 10 maths solutions Quadratic Equations
Question 4:Find two consecutive positive integers, sum of whose squares is 365.
NCERT class 10 chemistry chapter 4 exercise solutions
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.
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.