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

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Here, Below you all know about NCERT Solutions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Ex 3.6 Question Answer. I know many of you confuse about finding Chapter 3 Pair of Linear Equations in Two Variables Ex 3.6 Of Class 10 NCERT Solutions. So, Read the full post below and get your solutions.

TextbookNCERT
BoardCBSE
CategoryNCERT Solutions
ClassClass 10
SubjectMaths
ChapterChapter 3
ExerciseClass 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Exercise 3.6
Number of Questions Solved6
NCERT Solutions For Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Ex 3.6

Table of Contents

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

NCERT TEXTBOOK EXERCISES

NCERT Solutions For Class 10 Maths Chapter 3 Exercise 3.6 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:

NCERT Solutions For Class 10th Maths Chapter 3 Exercise 3.6 Question 2. Formulate the following problems as a pair of equations, and hence find their solutions:

(i) Ritu can row’ downstream 20 km in 2 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 in still water = x km/h
Speed of current = y km/h
During downstream, speed = (x + y) km/h
During upstream, speed = (x -y) km/h
A.T.Q.
1st condition :
x + y = 20/2 ⇒ x + y = 10
2nd condition :

Time taken by 1 woman to finish the work = 18 days.
Time taken by 1 man to finish the work = 36 days.

(iii) Let speed of train = x km/h and Speed of bus = y km/h
Total distance = 300 km
A.T.Q.
1st condition :

2nd condition :

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

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