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Mathematics 9th Class English Medium Unit 6 Online Test MCQs With Answers
Question # 1
If two are more algebraic expression are given then their common factors of highest power is called of the expressions:
Choose an answer
LCM
HCF
Multiplication
Square root
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Question # 2
The square root of (4x2-12x+9):
Choose an answer
(2x+3)
(2x-3)
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Question # 3
To find HCF, we use following method:
Choose an answer
By factorization
By division
Both a and b
None
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Question # 4
LCM of a
2
+b
2
and a
4
-b
4
is:
Choose an answer
a
2
+b
2
a
2
-b
2
a
4
-b
4
a-b
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Question # 5
Choose an answer
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Question # 6
H.C.F of p
3
q - pq
3
and p
5
q
2
- p
2
q
5
is _________:
Choose an answer
pq(p
2
-q
2
)
pq(p-q)
p
2
q
2
(p-q)
pq(p
3
-q
3
)
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Question # 7
HCF of x
2
+3x+2, x
2
+4x+3 and x
2
+5x+4 is:
Choose an answer
x+1
(x+1)(x+2)
(x+3)
(x+4)(x+1)
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Question # 8
The product of two algebraic expressions is equal to the _________ of their HCF and LCM:
Choose an answer
Sum
Difference
Product
Quotient
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Question # 9
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Question # 10
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Question # 11
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Question # 12
What should be added to complete the square of x
4
+64 _______ :
Choose an answer
8x
2
-8x
2
16x
2
4x
2
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