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NAT I Engineering Mathematics MCQs With Answers
Question # 1
The radius of the circle (x- 1)
2
+ (y + 3)
2
=64 is
Choose an answer
8
2√2
4
64
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Question # 2
d/dx [cos x
2
] =________
Choose an answer
-2x cos x
2
-2x
2
sin x
2
x
2
sin x
-2x
2
sin x
2
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Question # 3
How many different arrangements of the letters in the word QABABA are Possible?
Choose an answer
720
40
60
30
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Question # 4
The value of x, and y, when (x+iy)
2
=5+4i
Choose an answer
X=2, y=-1
X=-2, y=1
X=2, y=-i
X=2, y=2
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Question # 5
If sin θ= 3/5 Cos θ=
Choose an answer
1/2
3/5
4/5
1
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Question # 6
If 4 - x > 5, then
Choose an answer
x > 1
x > -1
x < 1
x < -1
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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
If Z
1
= 1+i, Z
2
= 2+3i, then |Z
2
-Z
1
|=?
Choose an answer
√3 I
√7
-2-1
√5
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Question # 9
The curves y =x
2
, y= x interest at
Choose an answer
(0,0) ,(1,1)
(2,4)
(0,),(2,4)
(0,3),(-1,1)
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Question # 10
Period is Tan x/5 is
Choose an answer
5π
4π
2π
π/5
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Question # 11
∫cot (ax + b) dx =
Choose an answer
1/a log |sin (ax + b)| +c
1/a log |cos ax + b)
1/b |sin (ax + b)|
1/a log |sin (bx + a)|
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