NCERT Solutions for Class 8 Chapter 2 Linear Equations in One Variable -Free PDF Download

Free PDF download of NCERT Solutions Maths Class 8 Solutions Chapter 2 – Linear Equations in One Variable solved by Expert Maths Teachers on CoolGyan.Org. All Chapter 2 – Linear Equations in One Variable Questions with Solutions for NCERT to help you to revise complete Syllabus and Score More marks.

Maths Revision Notes for Class 8

NCERT SOLVED

Solve the following equations.

1. 

Ans. 

2. 

Ans. 

3.  

Ans. 

4. 

Ans. 

5. 

Ans. 

6. The ages of Hari and Harry are in the ratio 5 : 7. Four years from now the ratio of their ages will be 3 : 4. Find their present ages.

Ans. Let the Ages of Hari and Harry be years and  years.

According to question,  

Hence, the age of Hari =  =

= 20 years

And the age of Harry =  = 

= 28 years.

7. The denominator of a rational number is greater than its numerator by 8. If the numerator is increased by 17 and the denominator is decreased by 1, the number obtained is  Find the rational number.

Ans. Let the numerator of a rational number be  then the denominator is 

Therefore, Rational number = 

According to the question,

Hence, the required rational number

=