NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions MCQ

NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions MCQ, are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions MCQ.

NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions MCQ

Important Multiple Choice Questions

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

(a) 1

(b) 2

(c) 3

(d) 4.

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

(a) 1

(b) 2

(c) 3

(d) 4.

3. How many terms are there in the expression 1.2 ab – 2.46 + 3.6a?

(a) 1

(b) 2

(c) 3

(d) 4.

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

(a) 1

(b) 2

(c) 3

(d) 4.

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

(a) 1

(b) 2

(c) 3

(d) 4.

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

(a) 2

(b) 1

(c) -1

(d) None of these.

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

(a) y²

(b) y

(c) 1

(d) 0.

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

(a) 3

(b) z

(c) 3z

(d) – 3z.

9. What is the coefficient of x in the expression 1 + x + xz?

(a) z

(b) 1 + z

(c) 1

(d) 1 + x.

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

(a) 2 + y²

(b) 2

(c) y²

(d) None of these.

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

(a) 4

(b) x

(c) – x

(d) None of these.

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

(a) 1

(b) 2

(c) 3

(d) 4.

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

(a) 5 – 10x

(b) 5

(c) – 10 x

(d) None of these.

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

(a) a

(b) b

(c) d

(d) 0.

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

(a) a

(b) b

(c) a+ b

(d) 0.

16. 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.

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

(a) 7xy, 14yx

(b) m²p, mp²

(c) 6xz, 12 x² z²

(d) – 13x, – 13y.

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

(a) 3x, 2xy

(b) – xy², – 2xy²

(c) – 6x², 20x²y

(d) 8x², 7y.

19. 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, 78 qp.

20. 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.

21. Add 2mn, -4mn, 8mn, – 6mn

(a) 0

(b) 2 mn

(c) 8 mn

(d) 10 mn

22. Add a + b – 1, b – a + 1, 1 – 26

(a) 1

(b) – 1

(c) 2

(d) -2

23. Add 4x²y, – 3x²y, – 7xy², 7xy²

(a) x²y

(b) xy²

(c) xy

(d) -x² y

24. Simplify : p + (p – q) + q + (q – p)

(a) p

(b) q

(c) p + q

(d) p – q

25. Simplify : z² + 11z² – 5z – 11z² + 5z

(a) z²

(b) -z²

(c) 5z

(d) -5z

26. Subtract – xy from xy

(a) xy

(b) 2xy

(c) 3xy

(d) 4xy

27. Subtract y² from – 5y²

(a) -6y2

(b) 6y2

(c) y2

(d) -5y2

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

(a) xy

(b) 2xy

(c) 4xy

(d) – 2xy.

29. What should be subtracted from x² + y² – 2xy to get x² + y²?

(a) 2xy

(b) – 2xy

(c) xy

(d) – xy.

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

(a) 0

(b) 2

(c) – 2

(d) 4.

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

(a) 4

(b) -3

(c) 3

(d) 1.

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

(a) 10

(b) -10

(c) 100

(d) – 100.

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

(a) 5

(b) -3

(c) -8

(d) 8

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

(a) 0

(b) 1

(c) -1

(d) 2.

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

(a) 1

(b) 2

(c) 3

(d) 4.

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

(a) 1

(b) 0

(c) – 1

(d) 2.

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

(a) 1

(b) 2

(c) 3

(d) 4.

38. Find the value of the expression a² + b² for a = 1, b = 0

(a) 1

(b) 0

(c) 2

(d) 4.

39. Find the value of the expression a² + ab + 1 for a = 0, 6 = 1

(a) 0

(b) 1

(c) -1

(d) 2.

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

(a) 2

(b) 4

(c) 5

(d) 6.

41. Find the value of the expression z³ – 2(z – 10) for z = 10

(a) 10

(b) 100

(c) 1000

(d) 10000.

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

(a) 1

(b) 2

(c) 3

(d) A.

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

(a) 1

(b) – 1

(c) 2

(d) -2.

44. Find the value of the expression a³ + b³ + c³ – 3abc for a = 2, b = 3, c = 4

(a) 3

(b) 6

(c) 9

(d) 27

45. If the value of the expression x² – 5x + k for x = 0 is 5, then the value of k is

(a) 2

(b) 3

(c) 4

(d) 5.

ANSWERS

HINTS/SOLUTIONS

We hope the NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions MCQ, help you. If you have any query regarding NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions MCQ, drop a comment below and we will get back to you at the earliest.