Question # 1

If a > 0, b > 0, c > 0, then the roots of the equation ax²+ bx + c = 0 are

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Real and negative

Non-real with negative real parts

Real and positive

Nothing can be said

The solution set of the equation tan^-1x - cot^-1x = cos^-1(2 - x) is

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[0, 1]

[-1, 1]

[1, 3]

None of these

Range of tanθis

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Set of complex numbers

Set of real numbers

Set of odd numbers

Set of positive integers only

The angle of depression of the point at a distance 70 meters from the foot of the tower from the top of the tower is 45^𝜊.The height of the tower is

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37m

97m

101m

70m

The middle term of (x-y)⁸is

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25 x⁴y⁴

70 x⁴y⁴

120 x⁴y⁴

97x⁴y⁴

I is not

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Real number

Natural number

Prime Number

Whole Number

The domain the function : f(x) = x² is given by

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R

Set of all non-negative Real numbers

R^-1

None of these

If |αi + (α+1)j +2k| =3 then value of α is

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1,2

-1,-2

1,-2

-1,2

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1

-1

-1/2

1/2

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

In (x + iy) x is the known as

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Imaginary part of complex number

Real part of complex number

Complex number

None of above

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Mathematics General Science Test Medium Mode MCQs With Answers

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