Avail Comprehensive Chapter 3 Ex 3.6 Class 10 Maths NCERT Solutions prepared by subject experts as per the latest edition of CBSE Guidelines.

NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Ex 3.6 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 Ex 3.6.

- Pair of Linear Equations in Two Variables Class 10 Ex 3.1
- Pair of Linear Equations in Two Variables Class 10 Ex 3.2
- Pair of Linear Equations in Two Variables Class 10 Ex 3.3
- Pair of Linear Equations in Two Variables Class 10 Ex 3.4
- Pair of Linear Equations in Two Variables Class 10 Ex 3.5
- Pair of Linear Equations in Two Variables Class 10 Ex 3.6
- Pair of Linear Equations in Two Variables Class 10 Ex 3.7

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 10 |

Subject |
Maths |

Chapter |
Chapter 3 |

Chapter Name |
Pair of Linear Equations in Two Variables |

Exercise |
Ex 3.6 |

Number of Questions Solved |
2 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Ex 3.6

**Ex 3.6 Class 10 Maths Question 1.
**Solve the following pairs of equations by reducing them to a pair of linear equations:

**Solution:**

By cross multiplication method

By cross multiplication method

By cross multiplication method

By cross multiplication method

solving for u and v by cross multiplication method:

By cross multiplication method:

By cross multiplication method:

**Ex 3.6 Class 10 Maths Question 2.
**Formulate the following problems as a pair of linear equations and hence find their solutions:

**(i)**Ritu can row downstream 20 km in hours and upstream 4 km in 2 hours. Find her speed of rowing in still water and the speed of the current.

**(ii)**2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone.

**(iii)**Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and the remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately.

**Solution:**

**(i)**Let Ritu’s speed of rowing in still water be x km/h and speed of current be y km/h.

Speed of rowing in downstream = (x+y) km/h

and speed of rowing in upstream = (x-y) km/h

According to the question, we have:

(ii) Let 1 woman can finish the work in x days and 1 man can finish the work in y days.

Then 1 woman’s one day’s work = \(\frac { 1 }{ x }\)

Hence, one woman can finish the work in 18 days and one man can finish it in 36 days.

**(iii)** Let the speeds of the train and the bus be x km/h and y km/h respectively.

**Case I:** When Roohi travels 60 km by train and 240 km by bus

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