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:-

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SAMPLE PAPER (1)
CLASS: 8                                                MAX. MARKS :30
SUBJECT: MATHEMATICS                  TIME: 1:30 HOUR
CH: 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 24a2bc?

(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 4m3n2 is

    (a) 4m2n2                           (b) – 6m3n2

    (c) 6pm3n2                         (d) 4m3n

    4. Area of a rectangle with length 4ab and breadth 6b2 is

    (a) 24a2b2                         (b) 24ab3

    (c) 24ab2                          (d) 24ab

    5. Which of the following are like terms?

    (a) 5xyz2, – 3xy2z             (b) – 5xyz2, 7xyz2

    (c) 5xyz2, 5x2yz                (d) 5xyz2, x2y2z2

    Section – B

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

    (i) 5xyz2 – 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, 3a2, 7a4

    (ii) (a2) × (2a22) × (4a26)

    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) (x2– 5) (x + 5) + 25

    (iii) (t + s2) (t2 – s)

    11. Simplify.

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

    (b) (x + y)(x2– xy + y2)

    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– 2ab2c

    (b) (3x + 7)2 – 84x = (3x – 7)2

    (c) 103 × 98

    (d) 1022

    14. (a) If m – n = 16 and m2 + n2 = 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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