# CBSE Class 8 Mathematics/Vacation WorksheetModel Questions/MCQ/Extra Questions for Practice

Choose the correct answer from the options given below:

1. The product of (-2)/5 and 2/3 is ———-
A. (-6)/10
B. (-4)/15
C. (-2)/15
2. The solution of 2/3 x = 4 is ————–
A. 6
B. 4
C. 2
3. The value of expression 3x^2 -1when x=2 is ————
A. 10
B. 11
C. 12
4. Write the name of a regular polygon with 4 equal sides:
B. Rectangle
C. Square
5. The square root of 225 is ————
A. 5
B. 15
C. 25
6. The side of a square whose area is 121 square metres is ———–
A. 10
B. 11
C. 12
7. Write the common factors of 3xy and 6yz
A. 3y
B. 2xyz
C. 2z
8. – (-x) = ———–
A. x
B. –x
C. 0
9. Volume of a cube with edge y is ———-
A. y
B. y^2
C. y^3
10. Find the sum of 3ab and -9ab
A. 12ab
B. -6ab
C. 6ab
11. Find the product of 2ab^2 and 3a^2b
A. 6a^3 b^3
B. 5a^2 b^2
C. 6ab
12. 1m^3 = ————- litre
A. 10
B. 100
C. 1000
13. (-〖2/3)〗^0 = ————–
A. 0
B. 1
C. 2
14. The coordinates of the origin are ———–
A. (0, 0)
B. (-1, 1)
C. (0, 1)
15. Usual form of 4 × 〖10〗^(-3)is ———–
A. 0.004
B. 0.0004
C. 0.4
16. The value of (〖-2)〗^(-2) is ———-
A. 4
B. 1/4
C. -4
17. If 2(x + 6) = 2, then the value of x is ———–
A. 5
B. -5
C. 0
18. ( 〖1/5)〗^(-1) is ————–
A. 5
B. 1/5
C. (-1)/5
19. The factors of 3x + 6y is ———-
A. 3(x + 2y)
B. 2(3x + 3y)
C. 3(x + y)
20. 〖(3^(-1)+5^(-1)+7^(-1))〗^0is ————–
A. 0
B. 1
C. 15

1. (-4)/15
2. 6
3. 11
4. Square
5. 15
6. 11 m
7. 3y
8. x
9. y^3
10. -6ab
11. 6a^3 b^3
12. 1000 litre
13. 1
14. (0, 0)
15. 0.004
16. 1/4
17. -5
18. 5
19. 3(x + 2y)
20. 1