# Class 7 Maths Chapter 12 Test Paper Set-3 Pdf Download CBSE

Test Paper Of Class 7 Maths Chapter 12 Algebraic Expression

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**Chapter 12 Test Paper (03)**

## Class 7 Maths Chapter 12 algebraic Expression Test Paper Set-3 Text Form:-

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**SAMPLE PAPER (03)**

** CLASS: 7 MAX. MARKS :30 SUBJECT: MATHEMATICS TIME: 1:30 HOUR CH: 12 (Algebraic Expressions)**

**General Instructions:**

I. All questions are compulsory.

II. This question paper contains 14 questions divided into four Sections A, B, C and D.

III. Section A has 5 questions of 1 mark each. Section B has 4 questions of 2 marks each. Section C has 3 questions of 3 marks each. and Section D has 2 questions of 4 marks each.

IV. Use of Calculators is not permitted.

**Section β A**

**In Questions 1 to 5, there are four options, out of which one is correct. Write the correct answer.**

**1. **The factors of the term βxy^{2} are

(a) x Γ y Γ y (b) β 1 Γ y Γ y

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(c) β 1 Γ x Γ y (d) β 1 Γ x Γ y Γ y

2. The terms of expression 4x^{2} β 3xy are:

(a) 4x^{2} and β3xy (b) 4x^{2} and 3xy

(c) 4x^{2} and βxy (d) x^{2} and xy

3. Identify the binomial out of the following:

(a) 3xy^{2} + 5y β x^{2}y (b) x^{2}y β 5y β x^{2}y

(c) xy + yz + zx (d) 3xy^{2} + 5y β xy^{2}

4. The value of 3x^{2} β 5x + 3 when x = 1 is

(a) 1 (b) 0 (c) β1 (d) 11

5. The length of a side of square is given as 2x + 3. Which expression represents the perimeter of the square?

(a) 2x + 16 (b) 6x + 9 (c) 8x + 3 (d) 8x + 12

**Section β B**

6. Identify the numerical coefficients of terms (other than constants) in the following expressions:

(i) 5 β 3t^{2} (ii) 1 + t + t^{2} + t^{3 } (iii) 3.14 r^{2} (iv) 2(l + b)

7. Classify into monomials, binomials and trinomials.

(i) x + y β xy (ii) 100 (iii) ab β a β b (iv) 5 β 3t

8. State whether a given pair of terms is of like or unlike terms.

(iii) β 29x, β 29y (iv) 14xy, 42yx

(v) 4m^{2}p, 4mp^{2} (vi) 12xz, 12x^{2} z^{2}

9. Get the algebraic expressions in the following cases using variables, constants and arithmetic operations

(i) The number z multiplied by itself.

(ii) One-fourth of the product of numbers p and q.

**Section β C**

10. Add:

(i) 3mn, β 5mn, 8mn, β 4mn

(ii) t β 8tz, 3tz β z, z β t

(iii) β 7mn + 5, 12mn + 2, 9mn β 8, β 2mn β 3

11. Subtract:

(i) β x2 + 10x β 5 from 5x β 10

(ii) 5a^{2} β 7ab + 5b^{2} from 3ab β 2a^{2} β 2b^{2}

(iii) 4pq β 5q^{2} β 3p^{2} from 5p^{2} + 3q^{2} β pq

12. When a = 0, b = β 1, find the value of the given expressions:

(i) 2a + 2b (ii) 2a^{2} + b^{2} + 1 (iii) 2a^{2}b + 2ab^{2} + ab

**Section β D**

13. If A = 3x^{2} β 4x + 1, B = 5x^{2} + 3x β 8 and C = 4x^{2} β 7x + 3, then find:

(i) (A + B) β C

(ii) B + C β A

14. Find the values of following polynomials at m = 1, n = β1 and p = 2:

(a) m + n + p

(b) m^{2} + n^{2} + p^{2}

(c) m^{3} + n^{3} + p^{3}

(d) mn + np + pm