MCQ Questions for Class 8 Maths Chapter 14 Factorisation with Answers
Factorisation: MCQ Questions for Class 8 Maths Chapter 14 Factorisation with Answers
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Board CBSE
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TextBook NCERT
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CLASS Class 8
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SUBJECT Maths
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CHAPTER Chapter 14
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SUBJECT Factorisation MCQ
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Visit NCERT Solutions
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Visit: Multiple Choice Questions for Class 8 Maths
Question 1. Factorise: 16x² + 64xy + 64y²
(i) (4x + 5y) ²
(ii) (5x + 8y) ²
(iii) (4x + 8y) ²
(iv) (6x + 4y) ²
Answer: (iii) (4x + 8y)²
Question 2. Factorise: 8ab - 6b + 12a - 9
(i) (4a - 3) (2b + 3)
(ii) (4a + 3) (2b - 3)
(iii) (2a + 3) (4b - 3)
(iv) (2a - 3) (4b + 3)
Answer: (i) (4a - 3) (2b + 3)
Question 3. Write the product when we multiplied 5x²y³z5 by 7y⁴x³z²
(i) 35x5y6z7
(ii) 35x6y7z7
(iii) 35x7y6z7
(iv) 35x5y7z7
Answer: (iv) 35x5y7z7
Question 4. Factorise: a² + 14a + 33
(i) (a + 2) (a + 7)
(ii) (a + 3) (a + 11)
(iii) (a - 2) (a - 7)
(iv) none of the above
Answer: (ii) (a + 3) (a + 11)
Question 5. Factorise: 6a³b + 4a²b³ + 3ab + 3b³
(i) (2a²b + 3b)(3a + 2b²)
(ii) (2ab + 3b²) (3a + 2b²)
(iii) (2a²b + 3b) (3a + 2b²)
(iv) (2a²b + 3b)(3a² + 2b²)
Answer: (i) (2a²b + 3b)(3a + 2b²)
Question 6. Write the common factor of 27x²yz⁴ and 18z³y²x⁴
(i) x²yz³
(ii) 27x²yz³
(iii) 18x²yz³
(iv) 9x²yz³
Answer: (iv) 9x²yz³
Question 7. Write the product of (x + 2) (x² + x + 5)
(i) x³ + 5x² + 7x + 5
(ii) x³ + 3x² + 7x + 10
(iii) x³ + 3x² + 6x + 10
(iv) none of the above
Answer: (ii) x³ + 3x² + 7x + 10
Question 8. a² + 4a - 21 =
(i) (a - 7) (a + 3)
(ii) (a + 7)(a - 3)
(iii) (a - 7) (a - 3)
(iv) (a + 7) (a + 3)
Answer: (ii) (a + 7)(a - 3)
Question 9. Number of factors of (x5 - x)
(i) one
(ii) two
(iii) three
(iv) four
Answer: (iv) four
Question 10. The result of division of (3x³ - 3x) by 3x will be
(i) (x + 1)
(ii) (x - 1)
(iii) (3x³
(iv) (x +1) (x - 1)
Answer: (iv) (x +1) (x - 1)
Question 11. The factors of 3x² - 3y + 2x² - 2 are
(i) x², (3y +2)
(ii) (x + 1) (3y + 2)
(iii) (x + 1), (x - 1), (3y + 2)
(iv) none of the above
Answer: (iii) (x + 1), (x - 1), (3y + 2)
Question 12. When we divide x² + 5x + 6 by (x +3) (x +2), the result is
(i) (x +3)
(ii) (x +2)
(iii) (x + 2) (x + 3)
(iv) none of the above
Answer: (iii) (x + 2) (x + 3)
Question 13. Choose the correct option:
15x² - 16xy - 15y²
(i) (3x - 5y) (5x + 3y)
(ii) (3x - 5y) (5x + 3y)
(iii) (5x + 3y) (x + 3y)
(iv) none of the above
Answer: (i) (3x - 5y) (5x + 3y)
MCQ Questions for Class 8 Maths Chapter 14 Factorisation with Answers
Question 14. (x8 - 1) =
(i) (x⁴ + 1) (x⁴ - 1)
(ii) (x⁴ + 1) (x² + 1) (x² - 1)
(iii) (x⁴ + 1) (x² + 1)(x + 1) (x + 1)
(iv) none of the above
Answer: (iii) (x⁴ + 1) (x² + 1)(x + 1) (x + 1)
Question 15. 3 + 23b - 8y² =
(i) (1 - 8b)(3 + b)
(ii) (1 + 8b) (3 - b)
(iii) (1 - 8b)( b - 3)
(iv) (8b - 1) (b + 3)
Answer: (ii) (1 + 8b) (3 - b)
Question 16. The factors of 5m² + 15m + 10 are:
(i) (m + 1) (m + 2)
(ii) 6(m + 1) (m + 2)
(iii) 5(m + 1) (m + 2)
(iv) 9(m + 1) (m + 2)
Answer: (iii) 5(m + 1) (m + 2)
Question 17. When we factorise x2 - 5x + 6, then we get:
(i) (x + 2) (x + 3)
(ii) (x – 2) (x – 3)
(iii) (x × 2) + (x × 3)
(iv) none of the above
Answer: (ii) (x – 2) (x – 3)
Question 18. The factorisation of a² - 196 is
(i) (a + 16) ²
(ii) (a - 14) ²
(iii) (a + 14) (a - 14)
(iv) none of the above.
Answer: (iii) (a + 14) (a - 14)
Question 19. The factorisation of 36m² - 49n² is
(i) ( 6m + 7n)(6m - 7n)
(ii) (6m + 7n ) ²
(iii) (6m - 7n )²
(iv) none of the above
Answer: (i) ( 6m + 7n)(6m - 7n)
Question 20. The factorisation of a² ab - 12ab =
(i) (a + 4b )(a - 3b)
(ii) (a + 4b)(a + 3b)
(iii) (a - 4b) (a - 3b)
(iv) none of the above
Answer: (i) (a + 4b )(a - 3b)
Question 21. 2x² + 6x + xy + 3y =
(i) (2x + y) (x - 3)
(ii) (2x - y) (x + 3)
(iii) (2x - y) (x - 3)
(iv) (2x + y) (x + 3)
Answer: (iv) (2x + y) (x + 3)
Question 22. On factorising 54a² +72a + 42ab + 56b, we get
(i) (9a - 7b)(6a + 8)
(ii) (9a + 7b)(6a + 8)
(iii) (9a + 7b)(6a - 8)
(iv) (9a - 7b)(6a - 8)
Answer: (ii) (9a + 7b)(6a + 8)
Question 23. factorising 18ab²c - 6bc, we get
(i) 18abc(b + 1)
(ii) 6abc(b + c)
(iii) 6bc(3ab + 1)
(iv) 6ac(3bc + 1)
Answer: (iii) 6bc(3ab + 1)
Question 24. The common between the terms 12x²yz and 15xyz is
(i) 12 xyz
(ii) 15xyz
(iii) 3xyz
(iv) none of the above
Answer: (iii) 3xyz
Question 25. The quotient of 28m² ÷ 14m is
(i) 2m
(ii) 2m²
(iii) 2
(iv) 4m
Answer: 2m
MCQ Questions for Class 8 Maths Chapter 14 Factorisation with Answers
