# CBSE Class 8 Mathematics/Linear Equations in One Variable/ MCQ

CBSE Class 8 Mathematics /Linear Equations in One Variable/MCQ is about the multiple choice questions that you can expect for Yearly examination. Here you can find out practice problems for Class 8 Mathematics.

CBSE Class 8 Mathematics/ Linear Equations in One Variable – Chapter 2/MCQ
Extra Questions for Practice/Multiple Choice Questions.
Choose the correct answer from the options given below:

1. Which of the following is a linear equation in one variable?
A. 3x
B. 3x + 2y
C. 3x + 2y + z
2. Solve 3(x + 2) = 6
A. 0
B. 1
C. -1
3. Solve 5p = 40
A. 5
B. 8
C. 35
4. Sum of two numbers is 120. One of the numbers is 20 more than the other. What are the numbers?
A. 50, 70
B. 60, 60
C. 80, 40
5. The sum of three consecutive multiples of 9 is 297. Find these multiples?
A. 81, 90, 99
B. 90, 99, 108
C. 99, 108, 117
6. Solve 3x – 4 = x + 2
A. 2
B. 3
C. 4
7. “5 is added to 7 times a number gives 54”Write this as an equation?
A. 5x + 7 = 54
B. 7x + 5 = 54
C. 5 – 7x = 54
8. 5 times a number gives 50. The number is ———–
A. 5
B. 10
C. 25
9. The standard form of linear equations in one variable is written as ————
A. ax + b = 0
B. ax + by = 0
C. ax + by + c = 0
10. A linear equation in one variable has ——– solution.
A. One and unique
B. Infinite solutions
C. No solution
11. The perimeter of a rectangle is 30 cm and its width is 5 cm. Find its length?
A. 5
B. 10
C. 15
12. Two numbers are in the ratio 7:4.If they differ by 18, find the numbers?
A. 12, 24
B. 42, 24
C. 36, 18
13. If 2(x + 3) = x + 18, find the value of x?
A. 10
B. 12
C. 14
14. When a number is divided by 5, the result is -2. Find the number?
A. -5/2
B. -10
C. 10
15. If the sum of two consecutive numbers is 31, form an equation to find the numbers?
A. 2x + 1 = 31
B. 2x = 31
C. 2x – 1 = 31

1. 3x
2. 0
3. 8
4. 50, 70
5. 90, 99, 108
6. 3
7. 7x + 5 = 54
8. 10
9. ax + b = 0
10. One and unique
11. 10
12. 42, 24
13. 12
14. -10
15. 2x + 1 = 31