MCQ Linear Equations in One Variable, Chapter 2 Class 8 Maths

1. Find the solution of 2x - 3 = 7

a. 3

b. none of these

c. 5

d. 4

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Question 1 of 15

2. Solve for x:
3x = 12

a. 3

b. 4

c. 15

d. 9

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Question 2 of 15

3. Solve: 2x - 3 = x + 2

a. 4

b. 5

c. 3

d. 0

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Question 3 of 15

4. Solve for

a. -3

b. -5

c. -4

d. -2

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Question 4 of 15

5. An algebraic equation is an _________ involving variables.

a. number

b. equality

c. equation

d. none of these

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Question 5 of 15

6. The difference between two whole numbers is 66. The ratio of the two numbers is 2 : 5. What are the two numbers?

a. 46, 115

b. 44, 110

c. 66, 33

d. 34, 85

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Question 6 of 15

7. The digits of a two-digit number differ by 3. If the digits are interchanged, and the resulting number is added to the original number, we get 143. What can be the original number?

a. 36

b. 76

c. 85

d. 59

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Question 7 of 15

8. Solve: 4y = 20

a. 5

b. 4

c. 16

d. 24

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Question 8 of 15

9. Solve: 3x = 2x + 18

a. 9

b. 18

c. 0

d. 6

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Question 9 of 15

10. In an equation the values of the expressions on the LHS and RHS are _______.

a. different

b. none of these

c. equal

d. not equal

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Question 10 of 15

11. Solve:

a. 23/4

b. 1/2

c. 3

d. 2

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Question 11 of 15

12. What should be added to twice the rational number

?

a. 107

b. 107/21

c. 21

d. None of these

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Question 12 of 15

13. Solve 2y + 9 = 4.

a. -5/2

b. 1/2

c. 2

d. none of these

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Question 13 of 15

14. Solve:

a. 30

b. 10

c. 20

d. 40

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Question 14 of 15

15. Which of the following is the product of 7/8 and -4/21?

a. -16/63

b. 1/12

c. -1/6

d. -147/16

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Question 15 of 15