MCQs on Class 8 Linear Equations in One Variable
Multiple choice questions (MCQs) are available for Class 8 Linear Equations in One
Variable with each problem consisting of four options, out of which one is the correct
answer. Students have to solve the problem and select the correct answer. Verify your
solution with the answers provided here.
1. Which of the following is not a linear equation in one variable?
A. 33z+5 = 0
B. 33(x+y) = 0
C. 33x+5 = 0
D. 33y+5 = 0
Answer: B
Explanation: In 33(x+y) = 0, x and y are two variables.
2. The solution of 2x-3=7 is:
A. 5
B. 7
C. 12
D. 11
Answer: A
Explanation: 2x-3=7
2x=7+3=10
x=10/2 = 5
3. The solution of 2y + 9 = 4 is:
, A. 9/2
B. 4/9
C. -⅖
D. -5/2
Answer: D
Explanation: 2y+9 = 4
2y = 4-9 = -5
y=-5/2
4. The solution of y/5 = 10 is:
A. 15
B. 10
C. 50
D. 5
Answer: C
Explanation: y/5 = 10
y = 5×10 = 50
5. What should be added to -7/3 to get 3/7?
A. 21/58
B. 58/21
C. 47/21
D. 50/21
Answer: B
Multiple choice questions (MCQs) are available for Class 8 Linear Equations in One
Variable with each problem consisting of four options, out of which one is the correct
answer. Students have to solve the problem and select the correct answer. Verify your
solution with the answers provided here.
1. Which of the following is not a linear equation in one variable?
A. 33z+5 = 0
B. 33(x+y) = 0
C. 33x+5 = 0
D. 33y+5 = 0
Answer: B
Explanation: In 33(x+y) = 0, x and y are two variables.
2. The solution of 2x-3=7 is:
A. 5
B. 7
C. 12
D. 11
Answer: A
Explanation: 2x-3=7
2x=7+3=10
x=10/2 = 5
3. The solution of 2y + 9 = 4 is:
, A. 9/2
B. 4/9
C. -⅖
D. -5/2
Answer: D
Explanation: 2y+9 = 4
2y = 4-9 = -5
y=-5/2
4. The solution of y/5 = 10 is:
A. 15
B. 10
C. 50
D. 5
Answer: C
Explanation: y/5 = 10
y = 5×10 = 50
5. What should be added to -7/3 to get 3/7?
A. 21/58
B. 58/21
C. 47/21
D. 50/21
Answer: B
