Mathematics Class 10 NCERT Chapter - 4 FULL EXERCISE - 4.1, 4.2, 4.3, 4.4 SOLUTIONS

 CHAPTER 4

Quadratic Equations Exercise Ex. 4.1

Solution 1

Solution 2

Concept Insight: Read the question carefully and choose the variable to represent what needs to found. Only one variable must be there in the final equation.

CHAPTER 4

Quadratic Equations Exercise Ex. 4.2

Solution 1

Solution 3

 

Solution 4

Solution 5

Solution 6

CHAPTER 4

Quadratic Equations Exercise Ex. 4.3

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Concept Insight: Use the relation s =d/t to crack this question and remember here distance is constant so speed and time will vary inversely.

Solution 9

Solution 10

Solution 11

CHAPTER 4

Quadratic Equations Exercise Ex. 4.4

Solution 1

Solution 2

Solution 3

 

Solution 4

Solution 5