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RS Aggarwal solutions for Mathematics [English] Class 6 chapter 9 - Linear Equation in One Variable [Latest edition]

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Chapters

    1: Number System

    2: Factors and Multiples

    3: Whole Numbers

    4: Integers

   Chapter 5: Fractions

    6: Simplification

    7: Decimals

    8: Algebraic Expressions

▶ 9: Linear Equation in One Variable

    10: Ratio, Proportion and Unitary Method

   Chapter 11: Line Segment, Ray and Line

   Chapter 12: Parallel Lines

   Chapter 13: Angles and Their Measurement

   Chapter 14: Constructions (Using Ruler and a Pair of Compasses)

   Chapter 15: Polygons

   Chapter 16: Triangles

   Chapter 17: Quadrilaterals

   Chapter 18: Circles

   Chapter 19: Three-Dimensional Shapes

   Chapter 20: Two-Dimensional Reflection Symmetry (Linear Symmetry)

   Chapter 21: Concept of Perimeter and Area

   Chapter 22: Data Handling

   Chapter 23: Pictograph

   Chapter 24: Bar Graph

RS Aggarwal solutions for Mathematics [English] Class 6 chapter 9 - Linear Equation in One Variable - Shaalaa.com
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Solutions for Chapter 9: Linear Equation in One Variable

Below listed, you can find solutions for Chapter 9 of CBSE RS Aggarwal for Mathematics [English] Class 6.


Exercise 9AExercise 9BExercise 9CTest Paper 9
Exercise 9A [Pages 139 - 140]

RS Aggarwal solutions for Mathematics [English] Class 6 9 Linear Equation in One Variable Exercise 9A [Pages 139 - 140]

Exercise 9A | Q 1.01 | Page 139

Write the following statement as an equation:

5 times a number equals 40.

Exercise 9A | Q 1.02 | Page 139

Write the following statement as an equation:

A number increased by 8 equals 15.

Exercise 9A | Q 1.03 | Page 139

Write the following statement as an equation:

25 exceeds a number by 7.

Exercise 9A | Q 1.04 | Page 139

Write the following statement as an equation:

A number exceeds 5 by 3.

Exercise 9A | Q 1.05 | Page 139

Write the following statement as an equation:

5 subtracted from thrice a number is 16.

Exercise 9A | Q 1.06 | Page 139

Write the following statement as an equation:

If 12 is subtracted from a number, the result is 24.

Exercise 9A | Q 1.07 | Page 139

Write the following statement as an equation:

Twice a number subtracted from 19 is 11.

Exercise 9A | Q 1.08 | Page 139

Write the following statement as an equation:

A number divided by 8 gives 7.

Exercise 9A | Q 1.09 | Page 139

Write the following statement as an equation:

3 less than 4 times a number is 17.

Exercise 9A | Q 1.1 | Page 139

Write the following statement as an equation:

6 times a number is 5 more than the number.

Exercise 9A | Q 2.1 | Page 140

Write a statement for the equation, given below:

x − 7 = 14

Exercise 9A | Q 2.2 | Page 140

Write a statement for the equation, given below:

2y = 18

Exercise 9A | Q 2.3 | Page 140

Write a statement for the equation, given below:

11 + 3x = 17

Exercise 9A | Q 2.4 | Page 140

Write a statement for the equation, given below:

2x − 3 = 13

Exercise 9A | Q 2.5 | Page 140

Write a statement for the equation, given below:

12y − 30 = 6

Exercise 9A | Q 2.6 | Page 140

Write a statement for the equation, given below:

\[\frac{2z}{3} = 8\]
Exercise 9A | Q 3.1 | Page 140

Verify by substitution that the root of 3x − 5 = 7 is x = 4.

Exercise 9A | Q 3.2 | Page 140

Verify by substitution that the root of 3 + 2x = 9 is x = 3.

Exercise 9A | Q 3.3 | Page 140

Verify by substitution that the root of 5x − 8 = 2x − 2 is x = 2

Exercise 9A | Q 3.4 | Page 140

Verify by substitution that the root of 8 − 7y = 1 is y = 1

Exercise 9A | Q 3.5 | Page 140

Verify by substitution that the root of \[\frac{z}{7} = 8\]

Exercise 9A | Q 4.01 | Page 140

Solve the following equation by the trial-and-error method: y + 9 = 13

Exercise 9A | Q 4.02 | Page 140

Solve the following equation by the trial-and-error method: x − 7 = 10

Exercise 9A | Q 4.03 | Page 140

Solve the following equation by the trial-and-error method: 4x = 28

Exercise 9A | Q 4.04 | Page 140

Solve the following equation by the trial-and-error method: 3y = 36

Exercise 9A | Q 4.05 | Page 140

Solve the following equation by the trial-and-error method: 11 + x = 19

Exercise 9A | Q 4.06 | Page 140

Solve the following equation by the trial-and-error method: `x/3`= 4

Exercise 9A | Q 4.07 | Page 140

Solve the following equation by the trial-and-error method: 2x − 3 = 9

Exercise 9A | Q 4.08 | Page 140

Solve the following equation by the trial-and-error method: `1/2x+7=11`

Exercise 9A | Q 4.09 | Page 140

Solve the following equation by the trial-and-error method: 2y + 4 = 3y

Exercise 9A | Q 4.1 | Page 140

Solve the following equation by the trial-and-error method: z − 3 = 2z − 5

Exercise 9B [Page 143]

RS Aggarwal solutions for Mathematics [English] Class 6 9 Linear Equation in One Variable Exercise 9B [Page 143]

Exercise 9B | Q 1 | Page 143

Solve the following equation and verify the answer:

x + 5 = 12

Exercise 9B | Q 2 | Page 143

Solve the following equation and verify the answer:

x + 3 = −2

Exercise 9B | Q 3 | Page 143

Solve the following equation and verify the answer:

x − 7 = 6

Exercise 9B | Q 4 | Page 143

Solve the following equation and verify the answer:

x − 2 = −5

Exercise 9B | Q 5 | Page 143

Solve the following equation and verify the answer:
3x − 5 = 13

Exercise 9B | Q 6 | Page 143

Solve the following equation and verify the answer:

4x + 7 = 15

Exercise 9B | Q 7 | Page 143

Solve the following equation and verify the answer:
`x/5`=12

Exercise 9B | Q 8 | Page 143

Solve the following equation and verify the answer:
`(3x)/5`=15

Exercise 9B | Q 9 | Page 143

Solve the following equation and verify the answer:

5x − 3 = x + 17

Exercise 9B | Q 10 | Page 143

Solve the following equation and verify the answer:

`2x-1/2=3`

Exercise 9B | Q 11 | Page 143

Solve the following equation and verify the answer:

3(x + 6) = 24

Exercise 9B | Q 12 | Page 143

Solve the following equation and verify the answer:

6x + 5 = 2x + 17

Exercise 9B | Q 13 | Page 143

Solve the following equation and verify the answer:

`x/4-8=1`

Exercise 9B | Q 14 | Page 143

Solve the following equation and verify the answer:

`x/2=x/3+1`

Exercise 9B | Q 15 | Page 143

Solve the following equation and verify the answer:

3(x + 2) − 2(x − 1) = 7

Exercise 9B | Q 16 | Page 143

Solve the following equation and verify the answer:

5(x-1) +2(x+3) + 6 = 0

Exercise 9B | Q 17 | Page 143

Solve the following equation and verify the answer:

6(1 − 4x) + 7(2 + 5x) = 53

Exercise 9B | Q 18 | Page 143

Solve the following equation and verify the answer:

16(3x − 5) − 10(4x − 8) = 40

Exercise 9B | Q 19 | Page 143

Solve the following equation and verify the answer:

3(x + 6) + 2(x + 3) = 64

Exercise 9B | Q 20 | Page 143

Solve the following equation and verify the answer:

3(2 − 5x) − 2(1 − 6x) = 1

Exercise 9B | Q 21 | Page 143

Solve the following equation and verify the answer:

\[\frac{n}{4} - 5 = \frac{n}{6} + \frac{1}{2}\]
Exercise 9B | Q 22 | Page 143

Solve the following equation and verify the answer:

\[\frac{2m}{3} + 8 = \frac{m}{2} - 1\]
Exercise 9B | Q 23 | Page 143

Solve the following equation and verify the answer:

\[\frac{2x}{5} - \frac{3}{2} = \frac{x}{2} + 1\]
Exercise 9B | Q 24 | Page 143

Solve the following equation and verify the answer:

\[\frac{x - 3}{5} - 2 = \frac{2x}{5}\]
Exercise 9B | Q 25 | Page 143

Solve the following equation and verify the answer:

\[\frac{3x}{10} - 4 = 14\]
Exercise 9B | Q 26 | Page 143

Solve the following equation and verify the answer:

\[\frac{3}{4} (x - 1) = x - 3\]
Exercise 9C [Pages 144 - 145]

RS Aggarwal solutions for Mathematics [English] Class 6 9 Linear Equation in One Variable Exercise 9C [Pages 144 - 145]

Exercise 9C | Q 1 | Page 144

If 9 is added to a certain number, the result is 36. Find the number.

Exercise 9C | Q 2 | Page 144

If 11 is subtracted from 4 times a number, the result is 89. Find the number.

Exercise 9C | Q 3 | Page 144

Find a number which when multiplied by 5 is increased by 80.

Exercise 9C | Q 4 | Page 144

The sum of three consecutive natural numbers is 114. Find the numbers.

Exercise 9C | Q 5 | Page 144

When Raju multiplies a certain number by 17 and adds 4 to the product, he gets 225. Find that number.

Exercise 9C | Q 6 | Page 144

If a number is tripled and the result is increased by 5, we get 50. Find the number.

Exercise 9C | Q 7 | Page 144

Find two numbers such that one of them exceeds the other by 18 and their sum is 92.

Exercise 9C | Q 8 | Page 144

One out of two numbers is thrice the other. If their sum is 124, find the numbers.

Exercise 9C | Q 9 | Page 144

Find two numbers such that one of them is five times the other and their difference is 132.

Exercise 9C | Q 10 | Page 144

The sum of two consecutive even numbers is 74. Find the numbers.

Exercise 9C | Q 11 | Page 144

The sum of three consecutive odd numbers is 21. Find the numbers.

Exercise 9C | Q 12 | Page 144

Reena is 6 years older than her brother Ajay. If the sum of their ages is 28 years, what are their present ages?

Exercise 9C | Q 13 | Page 144

Deepak is twice as old as his brother Vikas. If the difference between their ages is 11 years, find their present ages.

Exercise 9C | Q 14 | Page 144

Mrs. Goel is 27 years older than her daughter Rekha. After 8 years she will be twice as old as Rekha. Find their present ages.

Exercise 9C | Q 15 | Page 145

A man is 4 times as old as his son. After 16 years he will be only twice as old as his son. Find their present ages.

Exercise 9C | Q 16 | Page 145

A man is thrice as old as his son. Five years ago the man was four times as old as his son. Find their present ages.

Exercise 9C | Q 17 | Page 145

After 16 years, Fatima will be three times as old as she is now. Find her present age.

Exercise 9C | Q 18 | Page 145

After 32 years, Rahim will be 5 times as old as he was 8 years ago. How old is Rahim today?

Exercise 9C | Q 19 | Page 145

A bag contains 25-paisa and 50-paisa coins whose total value is Rs 30. If the number of 25-paisa coins is four times that of 50-paisa coins, find the number of each type of coins.

Exercise 9C | Q 20 | Page 145

Five times the price of a pen is Rs 17 more than three times its price. Find the price of the pen.

Exercise 9C | Q 21 | Page 145

The number of boys in a school is 334 more than the number of girls. If the total strength of the school is 572, find the number of girls in the school.

Exercise 9C | Q 22 | Page 145

The length of a rectangular park is thrice its breadth. If the perimeter of the park is 168 metres, fund its dimensions.

Exercise 9C | Q 23 | Page 145

The length of a rectangular hall is 5 metres more than its breadth. If the perimeter of the hall is 74 metres, find its length and breadth.

Exercise 9C | Q 24 | Page 145

A wire of length 86 cm is bent in the form of a rectangle such that its length is 7 cm more than its breadth. Find the length and the breadth of the rectangle so formed.

Test Paper 9 [Page 146]

RS Aggarwal solutions for Mathematics [English] Class 6 9 Linear Equation in One Variable Test Paper 9 [Page 146]

Test Paper 9 | Q 1 | Page 146

A man earns Rs 25 per hour. How much does he earn in x hours?

Test Paper 9 | Q 2 | Page 146

The cost of 1 pen is Rs 16 and the cost of 1 pencil is Rs 5. What is the total cost of x pens and y pencils?

Test Paper 9 | Q 3 | Page 146

Lalit earns Rs x per day and spends Rs y per day. How much does he save in 30 days?

Test Paper 9 | Q 4 | Page 146

Three times a number added to 8 gives 20. Find the number.

Test Paper 9 | Q 5 | Page 146

If x = 1, y = 2 and z = 3, find the value of x2 + y2 + 2xyz.

Test Paper 9 | Q 6 | Page 146

Solve: 4x + 9 = 17.

Test Paper 9 | Q 7 | Page 146

Solve: 3(x + 2) − 2(x − 1) = 7.

Test Paper 9 | Q 8 | Page 146

Solve:

\[\frac{2x}{5} - \frac{x}{2} = \frac{5}{2}\]
Test Paper 9 | Q 9 | Page 146

The sum of three consecutive natural numbers is 51. Find the numbers.

Test Paper 9 | Q 10 | Page 146

After 16 years, Seema will be three times as old as she is now. Find her present age.

Test Paper 9 | Q 11 | Page 146

By how much does I exceed 2x − 3y − 4?

  • 2x − 3y − 5

  • 2x − 3y − 3

  • 5 − 2x + 3y

  • none of these

Test Paper 9 | Q 12 | Page 146

What must be added to 5x3 − 2x2 + 6x + 7 to make the sum x3 + 3x2 − x + 1?

  • 4x3 − 5x2 + 7x + 6

  • −4x3 + 5x2 − 7x − 6

  • 4x3 + 5x2 − 7x + 6

  • none of these

Test Paper 9 | Q 13 | Page 146

2x − [3y − {2x − (y − x)}] = ?

  • 5x − 4y

  • 4y − 5x

  • 5y − 4x

  • 4x − 5y

Test Paper 9 | Q 14 | Page 146

The coefficient of x in −5xyz is

  • −5

  • 5yz

  • −5yz

  • yz

Test Paper 9 | Q 15 | Page 146

`1/3(x+7+z)` is a

  • monomial

  • binomial

  • trinomial

  • quadrinomial

Test Paper 9 | Q 16 | Page 146

If `x/5=1`, then

  • `x=1/5`

  • x = 5

  • x = (5 + 1)

  • none of these

Test Paper 9 | Q 17 | Page 146

If x = 1, y = 2 and z = 3 then (x2 + y2 + z2) = ?

  • 6

  • 12

  • 14

  • 15

Test Paper 9 | Q 18 | Page 146

If \[\frac{1}{3} x + 5 = 8\], then x = ?

  • 3

  • 6

  • 9

  • 12

Test Paper 9 | Q 19.1 | Page 146

Fill in the blank.

An expression having one term is called a______

Test Paper 9 | Q 19.2 | Page 146

Fill in the blank.

An expression having two-term is called a______

Test Paper 9 | Q 19.3 | Page 146

Fill in the blank.

An expression having three-term is called a ______

Test Paper 9 | Q 19.4 | Page 146

Fill in the blank.

3x − 5 = 7 − x ⇒ x = ______

Test Paper 9 | Q 19.5 | Page 146

Fill in the blank.

 (b2 − a2) − (a2 − b2)= ______

Test Paper 9 | Q 20.1 | Page 146

Write 'T' for true and 'F' for false for the statement given below:

−3xy2z is a monomial.

  • True

  • False

Test Paper 9 | Q 20.2 | Page 146

Write 'T' for true and 'F' for false for the statement given below:

`x=2/3` is solution of 2x + 5 = 8.

  • True

  • False

Test Paper 9 | Q 20.3 | Page 146

Write 'T' for true and 'F' for false for the statement given below:

2x + 3 = 5 is a linear equation.

  • True

  • False

Test Paper 9 | Q 20.4 | Page 146

Write 'T' for true and 'F' for false for the statement given below:

The coefficient of x in 5xy is 5.

  • True

  • False

Test Paper 9 | Q 20.5 | Page 146

Write 'T' for true and 'F' for false for the statement given below:

8 − x = 5 ⇒ x = 3.

  • True

  • False

Solutions for 9: Linear Equation in One Variable

Exercise 9AExercise 9BExercise 9CTest Paper 9
RS Aggarwal solutions for Mathematics [English] Class 6 chapter 9 - Linear Equation in One Variable - Shaalaa.com

RS Aggarwal solutions for Mathematics [English] Class 6 chapter 9 - Linear Equation in One Variable

Shaalaa.com has the CBSE Mathematics Mathematics [English] Class 6 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. RS Aggarwal solutions for Mathematics Mathematics [English] Class 6 CBSE 9 (Linear Equation in One Variable) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

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Concepts covered in Mathematics [English] Class 6 chapter 9 Linear Equation in One Variable are Introduction to Algebra, Use of Variables in Common Rules, Expressions with Variables, Concept of Equation, The Solution of an Equation, Variable of Equation.

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Get the free view of Chapter 9, Linear Equation in One Variable Mathematics [English] Class 6 additional questions for Mathematics Mathematics [English] Class 6 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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