# NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Ex 3.4

Get Free NCERT Solutions for Class 10 Maths Chapter 3 Ex 3.4 PDF. Pair of Linear Equations in Two Variables Class 10 Maths NCERT Solutions are extremely helpful while doing your homework. Exercise 3.4 Class 10 Maths NCERT Solutions were prepared by Experienced ncert-books.in Teachers. Detailed answers of all the questions in Chapter 3 Maths Class 10 Pair of Linear Equations in Two Variables Exercise 3.4 provided in NCERT TextBook.

**Topics and Sub Topics in Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables:**

Section Name |
Topic Name |

3 | Pair of Linear Equations in Two Variables |

3.1 | Introduction |

3.2 | Pair Of Linear Equations In Two Variables |

3.3 | Graphical Method Of Solution Of A Pair Of Linear Equations |

3.4 | Algebraic Methods Of Solving A Pair Of Linear Equations |

3.4.1 | Substitution Method |

3.4.2 | Elimination Method |

3.4.3 | Cross-Multiplication Method |

3.5 | Equations Reducible To A Pair Of Linear Equations In Two Variables |

3.6 | Summary |

You can also download the free PDF of Ex 3.4 Class 10 Pair of Linear Equations in Two Variables NCERT Solutions or save the solution images and take the print out to keep it handy for your exam preparation.

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 10 |

Subject |
Maths |

Chapter |
Chapter 3 |

Chapter Name |
Pair of Linear Equations in Two Variables |

Exercise |
Ex 3.4 |

Number of Questions Solved |
2 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Ex 3.4

NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Ex 3.4 are part of NCERT Solutions for Class 10 Maths. Here we have given NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Exercise 3.4

**Question 1.
**Solve the following pairs of linear equations by the elimination method and the substitution method:

**Solution:**

**Question 2.
**Form the pair of linear equations for the following problems and find their solutions (if they exist) by the elimination method:

**(i)**If we add 1 to the numerator and subtract 1 from the denominator, a fraction reduces to 1. It becomes , if we only add 1 to the denominator. What is the fraction?

**(ii)**Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuri will be twice as old as Sonu. How old are Nuri and Sonu?

**(iii)**The sum of the digits of a two-digit number is 9. Also, nine times this number is twice the number obtained by reversing the order of the digits. Find the number.

**(iv)**Meena went to a bank to withdraw ₹2000. She asked the cashier to give her ₹50 and ₹100 notes only. Meena got 25 notes in all. Find how many notes of ₹50 and ₹100 she received.

**(v)**A lending library has a fixed charge for the first three days and an additional charge for each day thereafter. Saritha paid ₹ 27 for a book kept for seven days, while Susy paid ₹21 for the book she kept for five days. Find the fixed charge and the charge for each extra day.

**Solution:**