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MCQ Questions for CBSE Class 12 with Answers
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Quiz
CBSE
/
Class 8
/
Maths
/
Algebraic Expressions and Identities
1.
The sum of 8pq and -17 pq is
pq
9pq
-9pq
-pq
2.
The sum of 5x², -7x², 8x², 11x² and -9x² is
2x²
4x²
6x²
8x²
3.
The sum of x² - y², y² - z² and z² - x² is
0
3x²
3y²
3z²
4.
What do you get when you subtract -3xy from 5xy?
3xy
5xy
8xy
xy
5.
The result of subtraction of 7x from 0 is
0
7x
-7x
x
6.
The result of subtraction of 3x from -4x is
-7x
7x
x
-x
7.
The product of 4mn and 0 is
0
1
mn
4 mn
8.
The product of 5x and 2y is
xy
2xy
5xy
10xy
9.
The product of 7x and -12x is
84x²
-84x²
x²
-x²
10.
The area of a rectangle whose length and breadth are 9y and 4y² respectively is
4y³
9y³
36y³
13y³
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