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NAT I Engineering Mathematics MCQs With Answers
Question # 1
If p and r are integers P = 0, and p ≠ -r, which of the following must be true?
Choose an answer
p < r
p > r
p + r < 0
p - r < -0
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Question # 2
x
2
+2x -25 = 0 is
Choose an answer
1
2
3
4
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Question # 3
Sin x + Cos x=1 x=
Choose an answer
π
π/2
π/3
π/4
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Question # 4
d/dx ∫x
1
dx =________.
Choose an answer
1/4 x
4
X
3
3x
3
x
4
/4
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Question # 5
If the vector 2i+4j-2k and 2i +6j+xk are perpendicular then x-7
Choose an answer
4
8
14
7
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Question # 6
An angle of one radian is equivalent to
Choose an answer
90
o
60
o
67
o
57
o
, 18
o
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Question # 7
The associative angle of 280
o
is
Choose an answer
100
o
10
o
80
o
-80
o
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Question # 8
0 (zero) is
Choose an answer
A irrational number
A rational number
A negative integer
A positive number
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Question # 9
A relation in which the equality is true only for some values of the unknown variable is called
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An identity
An equation
A polynomial
Inverse function
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Question # 10
The principal value of sin
-1
[√3/2] is
Choose an answer
π/3
-π/3
2π/3
5π/3
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