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NAT I Engineering Mathematics MCQs With Answers
Question # 1
x is a member of the set {-1,0,3,5} y is a member of the set {-2,1,2,4} which is possible?
Choose an answer
x- y =-6
x -y < -6
x -y > 6
None
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Question # 2
Sum of integers starting from to n is
Choose an answer
n(n+1)/4
n(n+1)/6
n(n+1)/2
n(n-1)/2
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Question # 3
If A = [a
ij
] and b = [b
ij
] are the matrices of the order 3x3 then A-B=
Choose an answer
Circle
Ellipse
Parabola
Hexagon
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Question # 4
If A and B are matrices such that AB=BA=I then
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 # 5
√23 is
Choose an answer
A rational number
A irrational number
An even integer
A factor of 36
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Question # 6
(x+2)
2
= x
2
+4x +4 is
Choose an answer
1
2
3
4
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Question # 7
8 > t then
Choose an answer
(s -t)
2
>(t -8)
2
(s -t)
2
<(t -8)
2
(s -t)
2
=(t -8)
2
None
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Question # 8
d/dx (3y
4
) =
Choose an answer
12y
3
dy/dx
8y
3
8y
3
dy/dx
12y
3
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Question # 9
Period of Sin 2x =
Choose an answer
π
4π
2nπ
2π
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Question # 10
The gradient of the line joining (1,4) and (-2,5) is
Choose an answer
3/8
-2 2/3
-1/3
2
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Question # 11
The vertices of the ellipse x
2
+ 4y
2
= 16 are
Choose an answer
(±,4,0)
(0,±,4)
(± 2,0)
(0,± 2)
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