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Online Tests
Mathematics 9th Class English Medium Unit 2 Online Test MCQs With Answers
Question # 1
Choose an answer
Transtitive
Multiplicative inverse
Multiplicative identity
None
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Question # 2
If Z
1
= a + bi and Z
2
= c + di then Z
1
.Z
2
=
Choose an answer
ac + bdi
ac - bd
ac - bd + adi + bci
multiplication is not possible
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Question # 3
Identify the property used in x > y Or x = y Or x < y:
Choose an answer
Symmetric
Reflexive
Irichotomy
Transitive
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Question # 4
Which of the following sets have the Closure Property w.r.t addition.
Choose an answer
{0}
{0, -1}
{0,1}
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Question # 5
If Z = Z
2
and Z
2
= Z
3
then Z
1
= Z
3
this property is known as ______ property:
Choose an answer
Reflexive
Symmetric
Transitive
Commutative
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Question # 6
Conjugate of -3 is:
Choose an answer
3
-3
-3i
3i
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Question # 7
Write 4
2/3
with radical sign
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Question # 8
If Z
1
= Z
2
then Z
2
= Z
1
this property is known as _______ property:
Choose an answer
Reflexive
Symmetric
Transitive
Closure
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Question # 9
Choose an answer
Additive identity
Additive inverse
Multiplicative identiry
Multiplicative inverse
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Question # 10
Choose an answer
Z + W
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Question # 11
The value i
10
Choose an answer
1
-1
i
-i
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Question # 12
The conjugate of 6 + 5i.
Choose an answer
-6 + 5i
-6 - 5i
6 + 5i
6 - 5i
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Question # 13
The value of (-i)
8
:
Choose an answer
-i
i
1
-1
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Question # 14
Real part of 2ab ( i + i
2
) is:
Choose an answer
2ab
-2ab
2abi
-2abi
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Question # 15
Solution of x
2
= -1 in real numbers:
Choose an answer
-1
+1
+1
Solution does not exist
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