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NAT I General Science Mathematics MCQs With Answers

Question # 1

If sin θ= 3/5 Cos θ=

Choose an answer

1/2

3/5

4/5

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Question # 2

What is the conjugate of -7 -2i ?

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-7 + 2i

7 + 2i

7-2i

√53

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Question # 3

A point of a solution region where two of its boundary lines intersect is called

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Boundary

Inequality

Half plane

Vertex

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Question # 4

Which is in the solution set of 4x - 3y <2

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(3,0)

(4,1)

(1,3)

None

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Question # 5

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 # 6

The equation of two polynomials P(x)/Q(x) where Q(x) ≠ 0 with no common factor is called

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-10

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Question # 7

In the triangle Δ ABC, where C is the right angle Tan A + Tan B=

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A +B

C² /AB

A²/BC

B²/AC

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Question # 8

Any point where f is neither increasing nor decreasing and f(x) =0 at that point is called a

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Minimum

Maximum

Stationary point

Constant

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Question # 9

One of the roots of the equation 2x² + 3x + n = 0 is the reciprocal of the other, then n = --------------------

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Both A,B have the same number of columns

Both A,B do not have the same order

Number of col A is same as number of rows of B

Number of rows of A is same as number of col of B

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Question # 10

Cos^-1 (-x) =_______.

Choose an answer

π +cos^-1 x

π -sin^-1 x

π +sin^-1 x

π -cos^-1 x

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Question # 11

If α and β be irrational roots of a quadratic equation, then

Choose an answer

α = b/a and β = ca

α = a/b and β = -c/a

α² + β² = 1

α = -b/a and β= c/a

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