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MCQ Questions for CBSE Class 12 with Answers
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Quiz
CBSE
/
Class 8
/
Maths
/
Factorisation
1.
The factorisation of 12a²b +15ab² gives:
3ab(4ab + 5)
3ab(4a + 5(b)
3a(4a + 5(b)
3b(4a + 5(b)
2.
The factorisation of 12x + 36 is
12(x + 3)
12(3x)
12(3x + 1)
x(12 + 36x)
3.
On factorising 14pq + 35pqr, we get:
pq(14 + 35r)
p(14q + 35qr)
q(14p + 35pr)
7pq(2 + 5r)
4.
The factors of 6xy – 4y + 6 – 9x are:
(3x + 2) (2y + 3)
(3x – 2) (2y – 3)
(3x – 2) (2y + 3)
(3x + 2) (2y – 3)
5.
The factors of x² + xy + 8x + 8y are:
(x +y) (x + 8)
(2x + y) (x + 8)
(x + 2y) (x + 8)
(x + y) (2x + 8)
6.
The factors of 4y
^{2 }
- 12y + 9 is:
(2y + 3)²
(2y - 3)²
(2y - 3)(2y + 3)
None of the above
7.
The factors of 49p² - 36 are:
(7p + 6)²
(7p - 6)²
(7p - 6 ) ( 7p + 6)
None of the above
8.
The factors of m² - 256 are:
(m + 4)²
(m - 4)²
(m - 4) (m+4)
None of the above
9.
When we factorise x² + 5x + 6, then we get:
(x + 2) (x + 3)
(x - 2) (x - 3)
(x × 2) + (x × 3)
(x × 2) - (x × 3)
10.
The factors of 3m² + 9m + 6 are:
(m + 1) (m + 2)
3(m + 1) (m + 2)
6(m + 1) (m + 2)
9(m + 1) (m + 2)
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