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11th Class ICS Mathematics Chapter 1 Test Online MCQs With Answers
Question # 1
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real numbers
complexnumbers
primenumbers
oddnumbers
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Question # 2
The set of all rational numbers between 2, 3 is:
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an empty set
an infinite set
a finite set
a power set
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Question # 3
Multiplicative inverse of -i is:
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i
-i
1
-1
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Question # 4
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a + c = b + d
a + b = c + d
a - b = c - d
None of these
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Question # 5
Which of the following is correct:
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2 + 7i > 10 + i
1 + i > 1 - i
4 + 3i > 1 + 3i
none of these
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Question # 6
i
2
+ 1 =
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-1
0
i
1
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Question # 7
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Additive property
Multiplicativeproperty
Reflexiveproperty
Transitive property
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Question # 8
Factors of x
2
+ y
2
are:
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(x + iy) (x - iy)
(x + y) (x - y)
(x + y) (x + y)
none
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Question # 9
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0
i
-i
1
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Question # 10
The additive inverse of a real number is a:
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0
-a
a
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Question # 11
Conjugate of a + i b is:
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-a + ib
a + ib
-a - ib
a - ib
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Question # 12
Conjugate of complex number (-a, -b) is:
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(-a, b)
(-a, -b)
(a, -b)
none of these
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Question # 13
π is defined as:
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ration of diameter of a circle to its circumference
ration of the circumference of a circle to its diameter
ration of area of a circle to its circumference
ration of the circumference of a circle to its area
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Question # 14
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rationalnumber
irrationalnumber
naturalnumber
wholenumber
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Question # 15
Division of a natural number by another natural number gives:
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always a natural number
always an integer
always a rationalnumber
always an irrational number
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Question # 16
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i
0
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Question # 17
The set of negative integers is closed with respect to:
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addition
multiplication
both (a) and (b)
subtraction
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Question # 18
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integer
rationalnumber
irrationalnumber
naturalnumber
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Question # 19
If z
1
= 4i and z
2
= 3 - 9i, then z
1
+ z
2
=
Choose an answer
3 - 5i
3i - 5
7 - 9i
3 + 5i
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Question # 20
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Reflexive property
Symmetricproperty
Transitiveproperty
Trichotomyproperty
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Question # 21
Conjugate of -3 -2 i is:
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3 + 2i
-3 + 2i
2 + 3i
-2 + 3i
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