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

## 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

Book: National Council of Educational Research and Training (NCERT) Central Board of Secondary Education (CBSE) 8th Maths 2 Part-3 Linear Equations in One Variable 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. Ncert Class 8 Maths Mcq Questions The root of the equation (2x – 1) + (x – 1) = x + 2 is A. 1 B. 2 C. -1 D. -2.
Ans: 2
Hint:
(2x – 1) + (x – 1) = x + 2
⇒ 2x = 4 ⇒ x = $$\frac{4}{2}$$ = 2.
 Q2. CBSE Class 8 Maths Chapter 2 Mcq The root of the equation A. 1 B. 2 C. 3 D. 6.
Ans: 6.
Hint:
13x – 14 = 9x + 10 ⇒ 13x – 9x = 10 + 14
⇒ 4x = 24 ⇒ x = $$\frac{24}{4}$$ = 6
 Q3. CBSE Class 8 Maths Chapter 2 Mcq Questions The root of the equation 11x – 5 – x + 6 = 2x + 17 is A. 1 B. 2 C. 3 D. 4.
Ans: 2
Hint:
11x – 5 – x + 6 = 2x + 17
⇒ 8x = 16 ⇒ x = 2.
 Q4. CBSE Class 8 Maths Linear Equations in One Variable Mcq The root of the equation $$\frac{2}{3}$$ y = $$\frac{5}{12}$$ is A. $$\frac{8}{5}$$ B. $$\frac{5}{8}$$ C. 5 D. 8
Ans: $$\frac{5}{8}$$
Hint:
$$\frac{2}{3}$$ y = $$\frac{5}{12}$$
⇒ y = $$\frac{5}{12}$$ × $$\frac{3}{2}$$ = $$\frac{5}{8}$$
 Q5. CBSE Class 8 Maths Mcq Questions The root of the equation 7 (x – 1) = 21 is A. 1 B. 2 C. 3 D. 4.
Ans: 4.
Hint:
7 (x – 1) = 21 ⇒ x – 1 = $$\frac{21}{7}$$ = 3
⇒ x = 4.
 Q6. CBSE Class 8 Maths Linear Equations in One Variable Mcq Questions The root of the equation $$\frac{3}{2}$$ x = – 27 is A. 6 B. 12 C. 18 D. -18
Ans: -18
Hint:
$$\frac{5}{12}$$ x = -27 ⇒ x = –$$\frac{27×2}{3}$$ = -18.
 Q7. Class 8 Maths Mcq Chapter 2 If two angles are complementary and one angle is 10° greater than the other, then the smaller angle of the two is A. 40° B. 50° C. 90° D. 180°.
Ans: 40°
Hint:
x° = (90° – x°) + 10°
⇒ 2x° = 100° ⇒ x° = 50°
⇒ 90° – x° = 40°.
 Q8. Class 8 Maths Mcq online test If two angles are supplementary and one angle is double the other, then the larger angle is A. 60° B. 90° C. 120° D. 180°.
Ans: 120°
Hint:
x° + 2x° = 180° ⇒ 3x° = 180°
⇒ x° = 60° ⇒ 2x° = 120°
 Q9. Class 8 Maths Mcq with answers Twice a number is as much greater than 30 as the three times of the number less than 60. The number is A. 6 B. 9 C. 12 D. 18.
Ans: 18.
Hint:
2x – 30 = 60 – 3x ⇒ 5x = 90
⇒ x = 18.
 Q10. Learn Cbse Class 8 Maths Mcq One number is greater than the other number by 3. The sum of two numbers is 23. The two numbers are A. 13, 10 B. 14, 9 C. 12, 11 D. 15, 8.
Ans: 13, 10
Hint:
(x + 3) + x = 23 ⇒ 2x = 20
⇒ x = 10 ⇒ x + 3 = 13