MCQ Questions | Class 8 Maths Chapter 2

MCQ Questions | Class 8 Maths Chapter 2 | Linear Equations in One Variable with Answers 

MCQ Questions for Class8 Maths Chapter 2 Linear Equations in One Variable

MCQ | Linear Equations in One Variable Class 8

Check the below NCERT MCQ Questions for Class 8 Maths Chapter 2 Linear Equations in One Variable with Answers Pdf free download. MCQ Questions for Class 8 Maths with Answers were prepared based on the latest exam pattern. We have Provided Linear Equations in One Variable Class 8 Maths MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Maths Class 8

NCERT Solutions Class 8 Maths
Book: National Council of Educational Research and Training (NCERT)
Board: Central Board of Secondary Education (CBSE)
Class: 8th
Subject: Maths
Chapter: 2
Chapters Name: Linear Equations in One Variable
Medium: English

Ncert Solutions for Class 8 Maths | Objective Type Questions


You can refer to NCERT Solutions for Class 8 Maths Chapter 2 Linear Equations in One Variable to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
Linear Equations in One Variable | Class 8 Maths | NCERT Solutions
Q1.

CBSE Class 8 Maths Linear Equations in One Variable Mcq Questions

The standard form of a linear equation in one variable x is
A. ax + b = 0
B. ax² + bx + c = 0
C. ax³ + bx² + cx + d = 0
D. ax4 + bx³ + cx² + dx + e = 0.
Ans: ax + b = 0
Q2.

Class 8 Maths Mcq Chapter 2

Of the following, the linear equation in one variable x, is
A. \(\frac{4}{x}\) = \(\frac{x}{4}\)
B. \(\frac{1}{x}\) + \(\frac{1}{x-1}\) = 1
C. \(\frac{x}{2}\) + \(\frac{x}{3}\) + \(\frac{1}{4}\)
D. x² + 2x + 3 = 0.
Ans: \(\frac{x}{2}\) + \(\frac{x}{3}\) + \(\frac{1}{4}\)
Q3.

Class 8 Maths Mcq online test

The degree of the equation x² – 2x + 1 = x² – 3 is
A. 1
B. 2
C. 0
D. 3.
Ans: 1
Hint:
x² – 2x + 1 = x² – 3 ⇒ 2x = 4
Q4.

Class 8 Maths Mcq with answers

The statement ‘on adding 10 in a number, the number becomes 20’ in the form of an equation is
A. x – 10 = 20
B. x + 10 = 20
C. 10x = 20
D. \(\frac{x}{10}\) = 20.
Ans: x + 10 = 20
Hint:
Let the number be x.
Q5.

Learn Cbse Class 8 Maths Mcq

If 9 is added to a number, it becomes 25. This statement in the form of an equation is
A. x + 9 = 25
B. x – 9 = 25
C. 9x = 25
D. \(\frac{x}{9}\) = 25.
Ans: x + 9 = 25
Hint:
Let the number be x.
Q6.

Mcq Class 8 Maths Chapter 2

If 15 is subtracted from a number, it becomes -5. This statement in the form of an equation is
A. x + 15 = -5
B. x – 15 = 5
C. x + 15 = 5
D. x – 15 = -5.
Ans: x – 15 = -5.
Hint:
Let the number be x.
Q7.

Mcq for Class 8 Maths Chapter 2

Seven times a number is 42. This statement in the form of an equation is
A. x + 7 = 42
B. 7x = 42
C. \(\frac{x}{7}\) = 42
D. x – 7 = 42.
Ans: 7x = 42
Hint:
Let the number be x.
Q8.

Mcq Questions for Class 8 Maths with answers pdf Chapter 2

A number when divided by 5 gives 6. This statement in the form of an equation is
A. x – 5 = 6
B. x + 5 = 6
C. \(\frac{x}{5}\) = 6
D. 5x = 6.
Ans: \(\frac{x}{5}\) = 6
Hint:
Let the number be x.
Q9.

Mcq Questions for Class 8 Maths with answers pdf download

A number when subtracted from 40 results into 15. This statement in the form of an equation is
A. 40 – x = 15
B. x – 40 = 15
C. 40 + x = 15
D. 40x = 15.
Ans: 40 – x = 15
Hint:
Let the number be x.
Q10.

Ncert Class 8 Maths Mcq Chapter 2

If 6 is added to 3 times of a number, it becomes 15. This statement in the form of an equation is
A. 3x + 6 = 15
B. 3x – 6 = 15
C. 3x + 15 = 6
D. \(\frac{3x}{6}\) = 15.
Ans: 3x + 6 = 15
Hint:
Let the number be x.
Q11.

Ncert Class 8 Maths Mcq Questions

On subtracting 30 from two times a number, we get 56. This statement in the form of an equation is
A. 2x – 30 = 56
B. 2x + 30 = 56
C. 30 – 2x = 56
D. \(\frac{30}{2x}\) = 56.
Ans: 2x – 30 = 56
Hint:
Let the number be x.
Q12.

CBSE Class 8 Maths Chapter 2 Mcq

The root of the equation z + 4 = -8 is
A. 3
B. -32
C. 12
D. 4.
Ans: -32
Hint:
z + 4 = -8 ⇒ \(\frac{z}{4}\) = -8
⇒ z = 4 (-8) = -32.
Q13.

CBSE Class 8 Maths Chapter 2 Mcq Questions

The root of the equation 3x = \(\frac{20}{7}\) – x is
A. 10
B. \(\frac{20}{21}\)
C. –\(\frac{5}{7}\)
D. \(\frac{5}{7}\)
Ans: \(\frac{5}{7}\)
Hint:
3x = \(\frac{20}{7}\) – x ⇒ 3x + x = \(\frac{20}{7}\)
⇒ 4x = \(\frac{20}{7}\) ⇒ x = \(\frac{20}{7×4}\) = \(\frac{5}{7}\)
Q14.

CBSE Class 8 Maths Linear Equations in One Variable Mcq

The root of the equation 2x + 3 = 2(x – 4) is
A. 2
B. 4
C. 0
D. does not exist.
Ans: does not exist.
Hint:
2x + 3 = 2 (x – 4)
⇒ 2x + 3 = 2x – 8
⇒ 3 = -8 which is impossible.
Q15.

CBSE Class 8 Maths Mcq Questions

The solution of the equation \(\frac{5}{x}\) = 2 is
A. 10
B. \(\frac{2}{5}\)
C. \(\frac{5}{2}\)
D. \(\frac{1}{10}\)
Ans: \(\frac{5}{2}\)
Hint:
\(\frac{5}{x}\) = 2
⇒ 2x = 5 ⇒ x = \(\frac{5}{2}\)
Q16.

CBSE Class 8 Maths Linear Equations in One Variable Mcq Questions

The largest number of the three consecutive numbers is x + 1. Then, the smallest number is
A. x + 2
B. x + 1
C. x
D. x – 1.
Ans: x – 1.
Hint:
x – 1, x, x + 1
Q17.

Class 8 Maths Mcq Chapter 2

If x is an even number then the consecutive even number is
A. x + 1
B. x + 2
C. 2x
D. x – 1.
Ans: x + 2
Q18.

Class 8 Maths Mcq online test

x is an odd number. The largest odd number preceding x is
A. x – 1
B. x – 2
C. x – 3
D. x – 4.
Ans: x – 2
Q19.

Class 8 Maths Mcq with answers

The difference of two numbers is 21. The larger number is x. The smaller number is
A. 21 + x
B. 21 – x
C. x – 21
D. -x – 21.
Ans: x – 21
Hint:
x – smaller number = 21
⇒ smaller number = x – 21
Q20.

Learn Cbse Class 8 Maths Mcq

In a two digit number, the unit’s digit is x and the ten’s digit is y. Then, the number is
A. 10y + x
B. 10x + y
C. 10y – x
D. 10x – y.
Ans: 10y + x
Hint:
Required number
= 10 × y + 1 × x = 10y + x.

CBSE Solutions | Ncert Solutions Maths Class 8


NCERT Solutions | MCQ Class 8 Maths


NCERT | Class 8 Maths Solutions

CBSE MCQ Questions with Answers Class 8 Maths

MCQ QUESTIONS WITH ANSWER

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