CBSE Class 8 Mathematics Linear Equations In One Variable Worksheet Set A
- Linear Equations
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Following Are the Questions :
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
2. The solution of 2x-3=7 is:
A. 5
B. 7
C. 12
D. 11
3. The solution of 2y + 9 = 4 is:
A. 9/2
B. 4/9
C. -⅖
D. -5/2
4. The solution of y/5 = 10 is:
A. 15
B. 10
C. 50
D. 5
5. What should be added to -7/3 to get 3/7?
A. 21/58
B. 58/21
C. 47/21
D. 50/21
6. The perimeter of the rectangle is 20cm. If the length of the rectangle is 6cm, then its breadth will be:
A. 4 cm
B. 6 cm
C. 10 cm
D. 14 cm
7. The age of the father is three times the age of the son. If the age of the son is 15 years old, then the age of the father is:
A. 50 years
B. 55 years
C. 40 years
D. 45 years
8. The difference between two whole numbers is 66. The ratio of the two numbers is 2: 5. The two numbers are:
A. 60 and 6
B. 100 and 33
C. 110 and 44
D. 99 and 33
9. Three consecutive integers add up to 51. The integers are:
A. 16,17,18
B. 15,16,17
C. 17,18,19
D. 18,19,20
10. The solution for 3m = 5m – (8/5) is:
A. 8/5
B. ⅘
C. 5/4
D. 4/3
11. The degree of x2 – 5x + 2 = x3 is:
A. 3
B. 2
C. 1
D. 0
12. The degree of equation x2 – 9 = 2x2 is:
A. 0
B. 1
C. 2
D. 3
13. What is the value of x if x + 9 = 12?
A. 2
B. 3
C. 8
D. 6
14. If a number is divided by 8 it gives 6 as the value. Find the number.
A. 36
B. 42
C. 48
D. 56
15. Solve 2x + 9 = 4.
A. X = 6
B. X = -5/2
C. X = -3/2
D. X = -9/2
16. Find the value of x if 2x + 10 = 76.
A. 33
B. 7.6
C. 66
D. 32
17. The perimeter of a rectangle is 40 cm. If its width is 10 cm, then find the length.
A. 10
B. 20
C. 30
D. 40
18. If x is an even number, then the next even number is:
A. x+1
B. x+2
C. x+3
D. x+4
19. The difference between the two numbers is 30. If the bigger number is x, then what is the smaller number?
A. x – 30
B. 30 – x
C. 30x
D. None of these
20. When a number is added to itself, it becomes 24. What is the number?
A. 2
B. 4
C. 12
D. 21
Please click the below link to access CBSE Class 8 Linear Equations in One Variable Worksheet (1)