We have compiled the NCERT MCQ Questions for Class 8 Maths Chapter 14 Factorisation with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 8 Maths with Answers on a daily basis and score well in exams. Refer to the Factorisation Class 8 MCQs Questions with Answers here along with a detailed explanation.
Factorisation Class 8 MCQs Questions with Answers
Choose the correct option.
Question 1.
Which of the following is the common factor of 25a²b and 55ab²?
(a) 5ab²
(b) 5a²b
(c) 5ab
(d) 5a²b²
Answer
Answer: (c) 5ab
Question 2.
Which of the following are the factor is x² – 1?
(a) (x – 1) (x – 1)
(b) (x + 1) (x – 1)
(c) (1 – x)(1 + x)
(d) (1 + x)(1 + x)
Answer
Answer: (b) (x + 1) (x – 1)
Question 3.
The common factor of 6a²b4c², 21a²b and 15a³ is
(a) 3a³
(b) 6a³
(c) 6a²
(d) 3a²
Answer
Answer: (d) 3a²
Question 4.
The factorisation of 12a²b + 15ab² is
(a) 3ab (4a + 5b)
(b) 3a²b(4a + 5b)
(c) 3ab²(4a + 5b)
(d) 3a²b²(4a + 5b)
Answer
Answer: (a) 3ab (4a + 5b)
Question 5.
The factorisation of 10x² – 18x³ + 14x4 is
(a) 2x³ (7x² – 9x + 5)
(b) 2x (7x² – 9x + 5)
(c) 2x² (7x² – 9x + 5)
(d) 2(7x² – 9x + 5)
Answer
Answer: (c) 2x² (7x² – 9x + 5)
Question 6.
The factorisation of x²yz + xy²z + xyz² is
(a) xyz(x + y + z)
(b) x²yz (x + y + z)
(c) xy²z (x + y + z)
(d) xyz² (x + y + z)
Answer
Answer: (a) xyz(x + y + z)
Question 7.
Which of the following is the factorisation of x³ – x?
(a) x(x² – x)
(b) x(1 + x)(1 + x)
(c) x(x – x²)
(d) x(x + 1)(x – 1)
Answer
Answer: (d) x(x + 1)(x – 1)
Question 8.
If x² – x – 42 = (x + k) (x + 6) then k =
(a) 6
(b) -6
(c) -7
(d) 7
Answer
Answer: (c) -7
Question 9.
The quotient of 12a8b8 ÷ (- 4a6b6) is
(a) 3a²b²
(b) 3a²b
(c) 3ab²
(d) -3a²b²
Answer
Answer: (d) -3a²b²
Question 10.
The value of 3.5 × 3.5 – 2.5 × 2.5 is
(a) -6
(b) 6
(c) 60
(d) 1
Answer
Answer: (b) 6
Question 11.
Which ofthe following is the common factor of 21 x²y and 35 xy²?
(a) 7
(b) xy
(c) 7 xy
(d) none of these
Answer
Answer: (c) 7 xy
Question 12.
Which of the following are the factors of
(a) (x + 1) (x – 1)
(b) (1 – x) (1 + x)
(c) (1 – x) (1 – x)
(d) (1 + x) (1 + x)
Answer
Answer: (b) (1 – x) (1 + x)
Fill in the blanks
Question 1.
The greatest common factor of 16a³b² and 2ab² is ………………..
Answer
Answer: 2ab²
Question 2.
Factors of x² – 2 + \(\frac {1}{x^2}\) are ……………….
Answer
Answer: (x – \(\frac {1}{x}\)) (x – \(\frac {1}{x}\))
Question 3.
The value of x² – 16 ÷ x + 4 is ………………….
Answer
Answer: x – 4
Question 4.
The value of 102² – 98² is …………………..
Answer
Answer: 800
Question 5.
The product of (x – 7) (x + 2) is ……………………
Answer
Answer: x² – 5x – 14
Hope the information shed above regarding NCERT MCQ Questions for Class 8 Maths Chapter 14 Factorisation with Answers Pdf free download has been useful to an extent. If you have any other queries of CBSE Class 8 Maths Factorisation MCQs Multiple Choice Questions with Answers, feel free to reach us so that we can revert back to us at the earliest possible.