Question # 1

What is the circular measure of the angle between the hands of a watch at 4 O'clock

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The sum of indicated terms of a sequence is called

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Arithmetic series

Series

Harmonic series

None of these

The set of real roots of the equation log_{(5x + 4)}(2x +3)³- log_{(2x + 3)}(10x²+ 23x + 12) = 1 is

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{-1}

{-3/5}

Empty set

{-1/3}

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Diagonal matrix

Scalar matrix

Triangular matrix

Identity matrix

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cos(π/2-θ) = ________;

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cosθ

sinθ

-cosθ

-sinθ

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0

U

u/2

log u

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If Sin A = sin B, cos A = cos B, then the value of A in terms of B is

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perpendicular vectors

concurrent vectors

parallel vectors

none of these

The identity element with respect to subtraction is

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0

-1

0 and 1

None of thes

Which of the following integrals can be evaluated

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6! = ______

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360

720

6.5.4

None of these

The square root of 2i - 20i is

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±(5 - 2i)

±(5+ 2i)

(5 - 2i)

None of these

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{1, 2, 3, 4,.....} is set of ______

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Natural numbers

Whole numbers

Integers

Rational numbers

The equation x2+ y2- 8x+ 6y+ 25= 0 represents

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A circle

A pair of straight lines

A point

None of these

A circle passing through the vertices of any triangle is called ______

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In circle

Circum circle

Escribed circle

None of these

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A quadrilateral whose diagonals are perpendicular bisector of each other is

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Square

Rectangle

Rhombus

Parallelogram

Trapezium

What is the conjugate of -7 -2i ?

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-7 + 2i

7 +2i

7 -2i

√53

x = _________ is in the solution of 2x + 3 < 0

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0

2

-1

-2

∫x sin xdx is equal to:

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sin x/x + cos x

sin x - cos x/x

x cos x + sin x

- x cos x + sin x

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Reciprocal equation

Exponential equation

Radical equation

None of these

Minor of an element a_ijis denoted by

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M_ij

A_ij

|A|

None of these

The polar form of complex number x ≠ I y =

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r cos θ+ r sin θ

r cos θ+ is sin θ

cos θ+ r sin θ

i cos θ+ i sin θ

In (x +iy) y is called as

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Imaginary part

Complex number

Real part

None of above

The slope of the normal at the point (at², 2at) of the parabola y²= 4ax is

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1/t

t

-t

-1/t

A number A is called the arithmetic mean between a and b if a, A, b is ______

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Arithmetic sequence

Geometric sequence

Harmonic sequence

Arithmetic sequence

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