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NAT I Engineering Mathematics MCQs With Answers
Question # 1
x-1/(x+2)(x-2) =
Choose an answer
4/3(x-4) -1/3(x-1)
3/4(x+2) + 1/4(x-2)
2/3(x-2) - 4/3(x+2)
3/x - 2/x+1
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Question # 2
Derivative of strictly increasing function is always
Choose an answer
Zero
Positive
Negative
Both A and B
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Question # 3
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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Question # 4
Tan
-1
1/x =______
Choose an answer
Sin x
Sec
-1
X
Cot
-1
X
Sin Ix/cos- Ix
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Question # 5
The parametric equation of a curve are x = t
2
, y = t
2
then
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dy/dx =3t/2
dy/dx =t
5
dy/dx =5t
4
None
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Question # 6
If 2 Sin x Cos 2 x = Sin x then?
Choose an answer
X = nπ+ π/6
X = nπ +π/3
X = nπ +1
X = nπ + π/2
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Question # 7
ω
88
= ?
Choose an answer
A and B are multiplicative inverse of each other
A and B are additive inverses of each other
A and B are singular matrices
A and B are equal
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Question # 8
The fifth term of the sequence a
n
= 3n - 2 is
Choose an answer
3
-3
13
-13
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Question # 9
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 # 10
If in isosceles right angled triangle one side is a then hypotenuse is
Choose an answer
a√2
a/2
a
Cannot be determined by given
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Question # 11
For any set X, X∪X is
Choose an answer
15
15i
-15i
-15
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