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Online Tests
Mathematics 9th Class English Medium Unit 6 Online Test MCQs With Answers
Question # 1
HCF 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 # 2
To find HCF, we use following method:
Choose an answer
By factorization
By division
Both a and b
None
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Question # 3
H.C.F of 39x
7
y
3
z and 91x
5
y
6
z
7
is:
Choose an answer
13x
7
y
6
z
2
13x
5
y
3
z
91x
5
y
6
z
2
91x
5
y
3
z
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Question # 4
HCF of x-2 and x+x-6 is:
Choose an answer
x
2
+x-6
x+3
x-2
x+2
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Question # 5
Choose an answer
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Question # 6
H.C.F of x
2
-4 and 2x
2
+x-6:
Choose an answer
(x-2)
(x+2)
(2x-3)
(x+2)(2x-3)
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Question # 7
Choose an answer
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Question # 8
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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Question # 9
HCF of 5x
2
y
2
and 20x
3
y
3
is:
Choose an answer
5x
2
y
2
20x
3
y
3
10x
5
y
5
5xy
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Question # 10
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 # 11
HCF of x
2
-5x+6 and x
2
-x-6 is:
Choose an answer
x-3
x+2
x
2
-4
x-2
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Question # 12
LCM of 15x
2
, 45xy and 30xy is:
Choose an answer
90xyz
90x
2
yz
15xyz
15x
2
yz
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