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Online Tests
Mathematics FA Part 1 Chapter 1 Online Test MCQs With Answers
Question # 1
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 # 2
The multiplicative invers of a non-zero real number a is:
Choose an answer
0
-a
a
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Question # 3
i
2
+ 1 =
Choose an answer
-1
0
i
1
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Question # 4
Irrational numbers are:
Choose an answer
terminating decimals
non-terminating decimals
non-terminating, repeating decimals
non-terminating, non repeating
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Question # 5
Conjugate of a- i b is:
Choose an answer
b + ia
-a + ib
-a - ib
a + ib
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Question # 6
Choose an answer
x = 0, y = 0
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Question # 7
Choose an answer
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Question # 8
The additive inverse of a real number is a:
Choose an answer
0
-a
a
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Question # 9
Choose an answer
real numbers
complexnumbers
primenumbers
oddnumbers
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Question # 10
Conjugate of complex number (-a, -b) is:
Choose an answer
(-a, b)
(-a, -b)
(a, -b)
none of these
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Question # 11
Choose an answer
integer
rational number
irrational number
natural number
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Question # 12
The multiplicative identity of real numbers is:
Choose an answer
0
1
2
-1
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Question # 13
Modulus of 15 i + 20 is:
Choose an answer
20
15
25
none of the above
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Question # 14
The set of all rational numbers between 2, 3 is:
Choose an answer
an empty set
an infinite set
a finite set
a power set
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Question # 15
Division of a natural number by another natural number gives:
Choose an answer
always a natural number
always an integer
always a rationalnumber
always an irrational number
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Question # 16
If z = x + i y = r (cos Θ + i sin Θ), then arg z is:
Choose an answer
tan Θ
cos
2
Θ + sin
2
Θ
r
Θ
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Question # 17
Choose an answer
integer
rationalnumber
irrationalnumber
naturalnumber
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Question # 18
Choose an answer
x = 0
y = 0
x = 0 and y = 0
x = 0 or y = 0
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Question # 19
Choose an answer
rationalnumber
irrationalnumber
naturalnumber
wholenumber
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Question # 20
Product of a complex number and its conjugate is:
Choose an answer
a real number
irrationalnumber
a complexnumber
either real number or complexnumber
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Question # 21
π, e are:
Choose an answer
integers
natural numbers
rationalnumbers
irrationalnumbers
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