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NAT I General Science Mathematics MCQs With Answers

Question # 1

For which of the following ordered pairs (s,t) is s + t> and s- t < -3?

Choose an answer

(3,2)

(2,3)

(1,8)

(0,3)

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Question # 2

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 # 3

The average of first 100 integers is=

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50 1/2

25 1/4

100

5050

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Question # 4

Two matrices A and B are conformable for multiplication (AB) if and only if

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Addition

Multiplication

Division

Subtraction

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Question # 5

If 1 + Cos x = 0 then x =

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π +2n π

π + nπ

π - nπ

π/2

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Question # 6

A relation in which the equality is true only for some values of the unknown variable is called

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An identity

An equation

A polynomial

Inverse function

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Question # 7

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 # 8

Sin x + Cos x=1 x=

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π/2

π/3

π/4

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Question # 9

The nth term in G.P 3,-6,12,............ is

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25, 20

20, 10

20, 5

15, 10

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Question # 10

If y = (ax)^m + b^m, then dy/dx equals

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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 # 11

The angle a (0° < a< 180°) measured counterclockwise from positive x-axis to a non-horizontal straight line / is called the

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Rotation

Inclination

Radian

None

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