# Class 8 Maths Chapter 9 Test Paper Set 1 Pdf Download CBSE

Test Paper Of Class 8 Maths Chapter 9 Algebraic Expressions and Identities set 1 pdf download

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**Chapter 9 Test Paper (01)**

**Class 8 Maths Chapter 9 Algebraic Expressions and Identities Test Paper Set-1 Text Form:-**

**PGRMS EDUCATION**

**SAMPLE PAPER (1)CLASS: 8 MAX. MARKS :30SUBJECT: MATHEMATICS TIME: 1:30 HOURCH: 9 (Algebraic Expressions and Identities)**

**Section – A**

**In Questions 1 to 10, there are four options, out of which one is correct. Write the correct answer.**

1. Which is the like term as 24a^{2}bc?

(a) 13 × 8a × 2b × c × a

(b) 8 × 3 × a × b × c

(c) 3 × 8 × a × b × c × c

(d) 3 × 8 × a × b × b × c

2. In a polynomial, the exponents of the variables are always

(a) integers (b) positive integers

(c) non-negative integers (d) non-positive integers

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3. Like term as 4m^{3}n^{2} is

(a) 4m^{2}n^{2} (b) – 6m^{3}n^{2}

(c) 6pm^{3}n^{2} (d) 4m^{3}n

4. Area of a rectangle with length 4ab and breadth 6b^{2} is

(a) 24a^{2}b^{2} (b) 24ab^{3}

(c) 24ab^{2} (d) 24ab

5. Which of the following are like terms?

(a) 5xyz^{2}, – 3xy^{2}z (b) – 5xyz^{2}, 7xyz^{2}

(c) 5xyz^{2}, 5x^{2}yz (d) 5xyz^{2}, x^{2}y^{2}z^{2}

**Section – B**

6. Identify the terms, their coefficients for each of the following expressions.

(i) 5xyz^{2 }– 3zy

(ii) 1 + x + x

7. (a) Add ab – bc, bc – ca, ca – ab

(b) Subtract 4a – 7ab + 3b + 12 from 12a – 9ab + 5b – 3

8. Obtain the volume of rectangular boxes with the following length, breadth and height respectively.

(i) 5a, 3a^{2}, 7a^{4}

(ii) (a^{2}) × (2a^{22}) × (4a^{26})

9. (a) Simplify 3x (4x – 5) + 3 and find its values for

(i) x = 3

(ii) x =12.

**Section – C**

10. Find the product.

(i) (2x + 5) and (4x – 3)

(i) (x^{2}– 5) (x + 5) + 25

(iii) (t + s^{2}) (t^{2} – s)

11. Simplify.

(a) (a + b) (c – d) + (a – b) (c + d) + 2 (ac + bd)

(b) (x + y)(x^{2}– xy + y^{2})

12. Use a suitable identity to get each of the following products.

(a) (x + 3) (x + 3)

(b) (xyz – 4) (xyz – 2)

(c) (2y + 5) (2y + 5)

**Section – D**

13. Simplify.

(a) (ab + bc)^{2}– 2ab^{2}c

(b) (3x + 7)^{2} – 84x = (3x – 7)^{2}

(c) 103 × 98

(d) 102^{2}

14. (a) If m – n = 16 and m^{2} + n^{2} = 400, then find mn.

(b) The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30 units?

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