This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 14 Factorisation ā Quiz 1 š Homepage š Download PDF Books š Premium PDF Books Class 8 Maths Chapter 14 Factorisation Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Factor:a$^{2}$-196 A) (a + 13)(a-13). B) (a-13)$^{2}$. C) (a + 14)(a-14). D) (a-14)$^{2}$. Show Answer Correct Answer: C) (a + 14)(a-14). 2. Fill in the blank:4(3x + ..... ) = 12x + 16 A) 4. B) 16. C) Hh. D) 12. Show Answer Correct Answer: A) 4. 3. Choose the correct answer:a$^{2}$ + bc + ab + ac = ..... A) (a + b) (a + c). B) (a + b) (b + c). C) (a + c) (b + c). D) A (a + b + c). Show Answer Correct Answer: A) (a + b) (a + c). 4. On factorising 14pq + 35pqr, we get: A) P(14q+35qr). B) Q(14p+35pr). C) Darf (a+out). D) Pq(14+35r). Show Answer Correct Answer: C) Darf (a+out). 5. Factor:2n$^{2}$-8n$^{3}$ A) That $^{a} $ (N-4 n $^{a} $). B) That $^{a} $ (1-4 $^{} $ N $^{a} $). C) That $^{p} $ (10-8in $^{a} $). D) On (1-4 $^\circ$ C). Show Answer Correct Answer: B) That $^{a} $ (1-4 $^{} $ N $^{a} $). 6. Factorise:x$^{2}$ + 18x + 81 A) (x + 9)$^{2}$. B) (x-9)$^{2}$. C) (x + 9) ( x-9). D) (x + 3) (x + 6). Show Answer Correct Answer: A) (x + 9)$^{2}$. 7. Factorise $1-c^2$ A) $c$. B) $-c^2$. C) $\left(1+c\right)\left(1-c\right)$. D) $\left(1-c\right)\left(1-c\right)$. Show Answer Correct Answer: C) $\left(1+c\right)\left(1-c\right)$. 8. $\left(x+a\right)\left(x+b\right)=x^2+a+b\times x+ab$ A) True. B) False. C) Cannot be determined. D) None of the above. Show Answer Correct Answer: B) False. 9. The factorisation of 4x + 16 is ..... A) 4(x + 4). B) 4(x-4). C) X + 4. D) Hh + h. Show Answer Correct Answer: A) 4(x + 4). 10. The greatest common factor of 5a and 15b is ..... A) 5. B) 3. C) 4. D) 15. Show Answer Correct Answer: A) 5. 11. Factorise:14(a-3b)$^{3}$-21p(a-3b) A) 2(x + 2y)(3x + 6y + 4). B) 2(x + 2y)(3x + 6y + 8). C) A (X + i) (opposite + folding + 4). D) 2 (x + y) (x + 6y + 4). Show Answer Correct Answer: A) 2(x + 2y)(3x + 6y + 4). 12. Factorise $5nx-n$ A) $n\left(5x\right)$. B) $ n (5x-1) $. C) $ n (5x+1) $. D) $n\left(5x-0\right)$. Show Answer Correct Answer: B) $ n (5x-1) $. 13. Expand (2x + 3)$^{2}$. A) 2x$^{2}$ +12x + 6. B) 2x$^{2}$ +12x + 9. C) 4x$^{2}$ +12x + 9. D) 4x$^{2}$ +12x + 6. Show Answer Correct Answer: C) 4x$^{2}$ +12x + 9. 14. The factorisation of 12x+36 is A) 12(x+3). B) 12 (ZKS). C) 12 (ZKS+1). D) X(12+36x). Show Answer Correct Answer: A) 12(x+3). 15. Factorise $12xy^2-8y$ A) $4y\left(3xy-2\right)$. B) $4x\left(3y^2-2\right)$. C) $ 4xy^2 $. D) $ 4xy $. Show Answer Correct Answer: A) $4y\left(3xy-2\right)$. 16. The factorisation of 6xy-4y + 6-9x is A) (Reverse-a) (i.e.-p). B) (Reverse + a) (i.e.-p). C) (Reverse-a) (i.e. + P). D) (Reverse + A) (i.e. + P). Show Answer Correct Answer: A) (Reverse-a) (i.e.-p). 17. Factor:p$^{2}$-14p A) P(1-14). B) 2p(p-7). C) P$^{2}$(1-14). D) P(p-14). Show Answer Correct Answer: D) P(p-14). 18. The factorisation of (lm + l) + m + 1 is A) (l + 1)(m + 1). B) (l-1)(m-1). C) (l + 1)(m-1). D) (l-1)(m + 1). Show Answer Correct Answer: A) (l + 1)(m + 1). 19. Factorise $x^2-4x$ A) $x\left(x-4\right)$. B) $4\left(x^2-x\right)$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $x\left(x-4\right)$. 20. Factorise:-k(n-3) + l(3-n)-m(n-3) A) (n-3)(k + l-m). B) (k-l-m)(n + 3). C) (k-l + m)(n-3). D) (k-l-m)(n-3). Show Answer Correct Answer: D) (k-l-m)(n-3). 21. Factorise:9-30z + 25z$^{2}$ A) (3 + 5z) $ ^ {2} $. B) (3-5z) (3 + 5z). C) (3-5z) $ ^ {2} $. D) (3-5z) (3 + 6z). Show Answer Correct Answer: C) (3-5z) $ ^ {2} $. 22. The factorisation of 8x + 4y is: A) 4(2x+4y). B) 8(x+4y). C) 8 (x+y). D) 4(2x+y). Show Answer Correct Answer: D) 4(2x+y). 23. Which of the following is the value of:(a + b)$^{2}$-(a-b)$^{2}$ is: A) Any $^{a} $ + $^{a} $. B) -4ab. C) 4Ab. D) Any $^{a} $-$^{a} $. Show Answer Correct Answer: C) 4Ab. 24. 16x$^{2}$-8x + 1 A) (4x-1)(4x + 1). B) (4x-1)(4x-1). C) (4x + 1)(4x + 1). D) Hh $^{2} $-1. Show Answer Correct Answer: B) (4x-1)(4x-1). 25. Factorise:3z$^{2}$-4z-4 A) (z-4) (z + 4). B) (G-a) (Ezz + a). C) (G + a) (Ezz-a). D) (z-2) (z + 2). Show Answer Correct Answer: B) (G-a) (Ezz + a). 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