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NAT I General Science Mathematics MCQs With Answers
Question # 1
If Sin
-1
x + cos
-1
y = π, then x and y are
Choose an answer
Associative angles
Complementary angles
Reflex angles
Supplementary angles
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Question # 2
Cot 360° =______.
Choose an answer
Undefined
0.707
-0.5
0
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Question # 3
For any set X, X∪X is
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15
15i
-15i
-15
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Question # 4
The set (Q, .)
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Infinite set
Singleton set
Two points set
None
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Question # 5
What is the domain of y = Cot
-1
x?
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Set of irrational numbers only
Set of all real numbers
Set of integers only
Set of complex numbers only
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Question # 6
1+2+3+......+n=?
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n(n +1)/2
n +1/2
n(n +1)(2n +1)/6
n
3
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Question # 7
∫cot (ax + b) dx =
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1/a log |sin (ax + b)| +c
1/a log |cos ax + b)
1/b |sin (ax + b)|
1/a log |sin (bx + a)|
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Question # 8
If -1 < x < 0, which of the following statement must be true?
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x < x
2
< x
2
x < x
3
< x
2
x
2
< x
3
< x
x
2
< x < x
3
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Question # 9
There are 30 Red balls and 25 Green balls in a bag of a ball is drawn from the bag randomly what is the probability that a Blue ball comes out?
Choose an answer
1
0.5
0
None
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Question # 10
The equation of two polynomials P(x)/Q(x) where Q(x) ≠ 0 with no common factor is called
Choose an answer
12
1
10
-10
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Question # 11
Let A, B, and C be any sets such that A∪B=A∪C and A∩B=A∩C then
Choose an answer
A ≠ C
B = C
A = B
A ≠ B
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