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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
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MCQ Questions for CBSE Class 4 with Answers
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Quiz
CBSE
/
Class 8
/
Maths
/
Algebraic Expressions and Identities
1.
The expression x + 3 is in
one variable
two variables
no variable
none of these.
2.
The expression 4xy + 7 is in
one variable
two variables
no variable
none of these.
3.
The expression x + y + z is in
one variable
no variable
three variables
two variables.
4.
The value of 5x when x = 5 is
5
10
25
-5.
5.
The value of x² - 2x + 1 when x = 1 is
1
2
-2
0.
6.
The value of x² + y² when x = 1, y = 2 is
1
2
4
5.
7.
The value of x² - 2yx + y² when x = 1, y = 2 is
1
-1
2
-2.
8.
The value of x² - xy + y² when x = 0, y = 1 is
0
-1
1
none of these.
9.
Which of the following is a monomial?
4x²
a + 6
a + 6 + c
a + b + c + d.
10.
Which of the following is a binomial?
3xy
4l + 5m
2x + 3y - 5
4a - 7ab + 3b + 12.
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