## Class 7 Math Important Objective Chapter – 12 Algebraic Expressions

Here we are providing Class 7 Math Important Objective Chapter – 12 Algebraic Expressions because its very important for Class 7 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 7 Math Important Objective Chapter – 12 Algebraic Expressions is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class 7 Math Important Objective Chapter – 12 Algebraic Expressions 60+ questions  so that students practice more and more. If you want class wise Notes Then Click Here

## Class 7 Math Important Objective Chapter – 12 Algebraic Expressions

1. The sum of mn + 5 – 2 and mn+3 is

(a) 2mn + 6

(b) mn + 6

(c) 2mn – 6

(d) mn – 6

Ans-(a)

2. Subtract y2 from – 5y2

(a) -6y2

(b) 6y2

(c) y2

(d) -5y2

Ans-(a)

3. In a two digit number, the units digit is x and tens digit is (x+3). What is the sum of the digits in the number?

(a) 11x+3

(b) 2x+3

(c) 3+x

(d) 11x+30

Ans-(b)

4. What should be added to x2 + y2 to get x2 + y2 + 2 xy?

(a) xy

(b) 2xy

(c) 4xy

(d) -2xy

Ans-(b)

5. How many terms are there in the expression 2x2y?

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(a)

6. The constant term in the expression 1 + x2+ x is

(a) 1

(b) x

(c) x2

(d) None of these

Ans-(a)

7. How many terms are there in the expression 2y + 5?

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(b)

8. The length and breadth of a rectangular plot are I and b. Two rectangular paths each of width W run inside the plot one parallel to the length and the other parallel to the breadth. What is the total area of the paths?

(a) (l + w)(b + w) − lb

(b) lb − (l − w)(b − w)

(c) (l + b − w)w

(d) lb − (l − 2w)(b − 2w)

Ans-(c)

9. Find the value of the expression x + 2 for x = -2

(a) 0

(b) 2

(c) -2

(d) 4

Ans-(a)

10. How many terms are there in the expression 1.2ab – 2.4b + 3.6a?

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(c)

11. Get the algebraic expressions for subtraction of z from y.

(a) y × z

(b) y – z

(c) y + z

(d) y/z

Ans-(b)

12. How many terms are there in the expression – 2p3 – 3p2 + 4p + 7?

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(d)

13. Find the value of the expression 4x – 3 for x = 1

(a) 4

(b) -3

(c) 3

(d) 1

Ans-(d)

14. For what value of ‘m’ is 9 − 5m = (−1)?

(a) −1

(b) −2

(c) 2

(d) 1

Ans-(c)

15. What is the coefficient of x in the expression 4x + 3y?

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(d)

16. Find the value of the expression 100 – 10 x 3 for x = 0

(a) 10

(b) -10

(c) 100

(d) -100

Ans-(c)

17. Write an expression : Raju s father s age is 5 years more than 3 times Raju s age. If Raju s age is x years, then father’s age is

(a) 3x – 5

(b) 3x + 7

(c) 5 – 3x

(d) 3x + 5

Ans-(d)

18. What is the coefficient of x in the expression 2 – x + y?

(a) 2

(b) 1

(c) -1

(d) None of these

Ans-(c)

19. Find the value of the expression 5n – 3 for n = -1

(a) 5

(b) -3

(c) -8

(d) 8

Ans-(c)

20. When a certain number, ‘m’ is divided by 5 and added to 8, the result is equal to thrice the number subtracted from 4. What is the value of ‘m?

(a) 2

(b) 4/3

(c) −1

(d) 30/7

Ans-(d)

21. What is the coefficient of x in the expression y2x + y?

(a) y2

(b) y

(c) 1

(d) 0

Ans-(a)

22. Find the value of the expression x2 + 2x + 1 for x = – 1

(a) 0

(b) 1

(c) -1

(d) 2

Ans-(a)

23. What are the coefficients of y in the expression yz2+ 5?

(a) z

(b) z2

(c) 1

(d) 5

Ans-(b)

24. Find the value of the expression a + b for a = 1, b = 2

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(c)

25. What is the coefficient of x in the expression 2z – 3xz?

(a) 3

(b) z

(c) 3z

(d) -3z

Ans-(d)

26. Find the value of the expression a2 – 2ab + b2 for a = 1, b = 1

(a) 1

(b) 0

(c) -1

(d) 2

Ans-(b)

27. A and B are polynomials and each is the additive inverse of the other. What does it mean?

(a) A = B

(b) A+B is a zero polynomial.

(c) A−B is a zero polynomial.

(d) A−B = B−A

Ans-(b)

28. What is the coefficient of x in the expression 2x + xy2?

(a) 2 + y2

(b) 2

(c) y2

(d) None of these

Ans-(a)

29. Find the value of the expression 3x + 5 (x – 2) for x = 2

(a) 2

(b) 4

(c) 5

(d) 6

Ans-(d)

30. A _________ can take various values.

(a) variable

(b) expression

(c) term

(d) None of these

Ans-(a)

31. Find the value of the expression – x + 2 for x = -2

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(d)

32. What is the coefficient of y2 in the expression 4 – xy2?

(a) 4

(b) x

(c) -x

(d) None of these

Ans-(c)

33. What is the coefficient of y2 in the expression 3y2 + 4x?

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(c)

34. Find the value of the expression 3p + 7 for p = -2

(a) 1

(b) -1

(c) 2

(d) -2

Ans-(a)

35. What are the coefficients of y in the expression 4x – 3y?

(a) -4

(b) -3

(c) 3

(d) 4

Ans-(b)

36. The coefficient of x² in – 5x²y is

(a) -5

(b) y

(c) 5y

(d) -5y

Ans-(d)

37. What is the coefficient of y2 in the expression 2x2y – 10xy2 + 5y2?

(a) 5 – 10x

(b) 5

(c) -10 x

(d) None of these

Ans-(a)

38. What is the difference between 3a + 2b and −2a − 5b?

(a) 5a+7b

(b) −5a−7b

(c) 5a−7b

(d) a−3b

Ans-(a)

39. The expression 4a²b – 5ab² + 1 is a

(a) monomial

(b) binomial

(c) trinomial

(d) None of these

Ans-(c)

40. What is the coefficient of x in the expression ax3 + bx2 + d?

(a) a

(b) b

(c) d

(d) 0

Ans-(d)

41. Add 3 mn, -5 mn, 8 mn, -4mn.

(a) 2 mn

(b) 20 mn

(c) -2 mn

(d) None of these

Ans-(a)

42. What is the coefficient of x in the expression 5x³ + 7x² – 5?

(a) 5

(b) 7

(c) -5

(d) 0

Ans-(d)

43. The sum of mn + 5 – 2 and mn+3 is

(a) 2mn + 6

(b) mn + 6

(c) 2mn – 6

(d) mn – 6

Ans-(a)

44. What is the coefficient of x2 in the expression ax + b?

(a) a

(b) b

(c) a + b

(d) 0

Ans-(d)

45. Which of the following pairs of terms is of unlike terms

(a) -p²q², 12p²q²

(b) – 4x²; – Axy²

(c) 41, 100

(d) qp², 13p²q

Ans-(b)

46. Simplify these expressions and find their values, if x = 3, a = – 1, b = – 2.

3x – 5a – x2 + 9b

(a) -13

(b) 15

(c) 13

(d) None of these

Ans-(a)

47. Which of the following pairs of terms is a pair of like terms?

(a) 1, 10

(b) y, -xy

(c) z2, Z

(d) Z2, 8

Ans-(a)

48. Find the value of x + 4 for x = 2.

(a) 6

(b) 8

(c) 4

(d) None of these

Ans-(a)

49. How many terms are there in the expression 5x + 3y + 8?

(a) 1

(b) 2

(c) 3

(d) 4

Ans-(c)

50. Which of the following pairs of terms is a pair of like terms?

(a) 7p, 8q

(b) 10pq, -7qp

(c) 12q2 p2, -5p2

(d) 2405p, 78qp

Ans-(b)

51. Subtracting 5x + 3y from 5x – y + 8 given

(a) 4x – 8

(b) 4y – 8

(c) 8 – 4y

(d) 4x + 8

Ans-(c)

52. The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

(a) X + Y + Z

(b) XY + YZ

(c) X + YZ

(d) XZ + Y

Ans-(c)

53. The value of 3x² + 2x – 7 at x = -2 is

(a) 1

(b) -1

(c) 9

(d) 23

Ans-(a)

54. Which of the following pairs of terms is a pair of unlike terms?

(a) -p2q2, 12q2p2

(b) 41, 100

(c) qp2, 13p2q

(d) -4yx2, -4xy2

Ans-(d)

55. The coefficient of x² in -2x²y is:

(a) -2

(b) y

(c) 2y

(d) -2y

Ans-(d)

56. An expression which contains two unlike terms is called _______.

(a) binomial

(b) monomial

(c) trinomial

(d) None of these

Ans-(a)

57. Add 2 mn, -4 mn, 8 mn, -6 mn

(a) 0

(b) 2 mn

(c) 8 mn

(d) 10 mn

Ans-(a)

58. Simplify combining like terms: 3a – 2b – ab – (a – b + ab) + 3ab + b – a

(a) a – ab

(b) a + ab

(c) a + b

(d) None of these

Ans-(b)

59. Get the algebraic expression of subtraction of z from y.

(a) z – y

(b) y – z

(c) – z + y

(d) None of these

Ans-(b)

60. What is the co-efficient ofy in the given algebraic expression 8 + yz.

(a) 8

(b) 1

(c) z

(d) None of these

Ans-(c)

61. Add a + b – 1, b – a + 1, 1 – 26

(a) 1

(b) -1

(c) 2

(d) -2

Ans-(a)