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NAT I Engineering Mathematics MCQs With Answers
Question # 1
d/dx (√x) =
Choose an answer
2√x
1/√x
1/2√x
None of these
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Question # 2
If f(x) : A → B and g (x) : A → B then Dom [f(x) + g(x)] is
Choose an answer
Dom f(x) ∩ Dom g (x)
Dom f(x) ∪ Dom g(x)
[Domf(x)]
2
- [Dom g(x)]
2
[Dom g(x)]
2
-[Domf(x)]
2
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Question # 3
If Cosθ =0, Then θ=
Choose an answer
nπ/2
(2n + 1)π/2
(2n - 1)π/2
(n ±1)π/2
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Question # 4
If f (x) = x/x
2
- 4 then which is not included in the domain of f(x)
Choose an answer
0
-2
1
4
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Question # 5
Every prime number is also
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Rational number
even number
Irrational number
multiple of two numbers
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Question # 6
The difference of two consecutive terms of an A.P is called
Choose an answer
Zero
One
Four
Infinite
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Question # 7
The axis of the parabola y
2
= 4ax is
Choose an answer
x =0
Y =0
X = y
X = -y
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Question # 8
Derivative of strictly increasing function is always
Choose an answer
Zero
Positive
Negative
Both A and B
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Question # 9
The perpendicular bisector of any chord of a circle
Choose an answer
Passes through the center of the circle
Does not pass through the center of the circle
May or may not pass through the center of the circle
None of these
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Question # 10
The length of rectangle is twice as much as its breadth. If the perimeter is 120 cm, the length of the rectangle is
Choose an answer
Same as the original determinant
Additive inverse of the original determinant
Both A and B
Adj of the original matrix
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Question # 11
The two consecutive positive integers whose product is 56 are
Choose an answer
7, 8
14, 4
28, 2
56, 1
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