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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
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MCQ Questions for CBSE Class 1 with Answers
Quiz
CBSE
/
Class 8
/
Maths
/
Factorisation
1.
The factorisation 1 + 16x + 64x² is
(1 - 8x)²
(1 + 8x)²
(8 - x)²
(8 + x)²
2.
The factorisation x² + x + \(\frac{1}{4}\) is
(\(\frac{x}{2}\) - 1)²
(\(\frac{x}{2}\) + 1)²
(x + \(\frac{1}{2}\))²
(x - \(\frac{1}{2}\))²
3.
The value of 99² is
(90)² + 2(90)(9) + (9)²
(90)² - 2(90)(9) + (9)²
(90)² + (9)²
none of these
4.
The value of 49² is
(50)² - 2(50)(1) + (1)²
(50)² + 2 (50) (1) + (1)²
(50)² - (1)²
(50)² + (1)²
5.
The factorisation of (\(\frac{x^2}{y^2}\) -2+\(\frac{y^2}{x^2}\)) x ≠ 0, y ≠ 0 is
(\(\frac{x}{y}\)+\(\frac{y}{x}\))²
(\(\frac{x}{y}\)-\(\frac{y}{x}\))²
(\(\frac{x}{y}\)-1)²
(\(\frac{x}{y}\)+1)²
6.
The value of \(\frac{0.73×0.73×-0.27×0.27}{0.73-0.27}\) is
1
0
0.73
0.27
7.
The factorisation of x² - 9 is
(x - 3)²
(x + 3)²
(x + 3)(x - 3)
none of these
8.
The factorisation of 36x²y² - 1 is
(6xy - 1)(6xy + 1)
(6xy - 1)²
(6xy + 1)²
(6 + xy)²
9.
The value of \(\frac{0.564×0.564×-0.436×0.436}{0.564-0.436}\) is
0
1
-1
none of these
10.
The value of (0.68)² - (0.32)² is
-1
0
1
0.36
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