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NAT I General Science Mathematics MCQs With Answers
Question # 1
If sin θ= 3/5 Cos θ=
Choose an answer
1/2
3/5
4/5
1
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Question # 2
The average of first 100 integers is=
Choose an answer
50 1/2
25 1/4
100
5050
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Question # 3
π/3 is
Choose an answer
A positive integer
A negative integer
A natural number
An irrational number
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Question # 4
Sin x + Cos x=1 x=
Choose an answer
π
π/2
π/3
π/4
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Question # 5
Sin
-1
x =?
Choose an answer
π/2- Sin
-1
x
π/2 -Cos
-1
x
-Sin
-1
x
-Cos
-1
x
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Question # 6
The principal value of sin
-1
[√3/2] is
Choose an answer
π/3
-π/3
2π/3
5π/3
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Question # 7
If y = (ax)
m
+ b
m
, then dy/dx equals
Choose an answer
m (ax)
m
x
m-1
ma
m
x
m-1
m a
m
x
m-1
m a
m
x
m-2
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Question # 8
The common difference of the sequence 7,4,1......is
Choose an answer
1
-3
5
0
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Question # 9
Which is an explicit function
Choose an answer
y = x
2
+2x -1
x
2
+xy +y
2
=2
xy
2
-y +9/xy =1
All are
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Question # 10
The value of the polynomial 3x
3
+ 4x
2
- 5x + 4 at x = -1 is
Choose an answer
A
2
+ B
2
A
2
+ B
2
+ 2AB
A + B
A
2
+ B
2
+ AB+BA
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Question # 11
If Sin θ =Cosθ then θ=
Choose an answer
30°
45°
60°
90°
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