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NAT I General Science Mathematics MCQs With Answers

Question # 1

The radius of the circle (x- 1)² + (y + 3)² =64 is

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2√2

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Question # 2

∫1/ax +b dx =

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1/a log |ax + b| +c

Log |ax + b| +c

1/b log |ax +b| +c

1/x log |ax + b| +c

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Question # 3

If P(E) is the probability that can event will occur then P(E)=

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0.5

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Question # 4

F(x) = xx decreases in the interval

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(0,e)

(0.1)

(-∞.0)

None

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Question # 5

The set of complex numbers forms a group under the binary operation of

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±1

{0,1}

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Question # 6

A fraction in which the degree of the numerator is less than the degree of the denominator is called

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1-i √-3 / 2

-1+i √-3 / 2i

-1+i √3 / 2

1+i √3 / 2

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Question # 7

The center of a circle of radius 10 is on the origin which of the following points lies with in the circle

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(10,0)

(8,8)

(8,4)

(0,10)

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Question # 8

The value of x, and y, when (x+iy)²=5+4i

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X=2, y=-1

X=-2, y=1

X=2, y=-i

X=2, y=2

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Question # 9

If f(x) = x³- 2x² +4x-1, then f(-2) =?

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-25

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Question # 10

If a and b are any two distinct negative real numbers and G-ab where A.G.H represent arithmetic geometric and harmonic means then

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ω²

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Question # 11

Sin^-1 (-x) =

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Cos^-1 1/x

-Sin^-1 X

1/sin-1x

Sin^-1 1/x

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