Question # 1

A square matrix A for which A^t= -A is called a

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Column matrix

Symmetric matrix

Skew-symmetric matrix

Row matrix

Which one is not defined∀n∈Z+

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-n!

n!

(-n)!

n!+0!=n!+1

The slope of y-axis is

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0

undefined

1

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An equation which hold good for all values of the variables is called

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Identity

fraction

mixed form

Partial equation

A disjunction of two statement p and q is true

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p is false

q is false

Both p and q are false

One of p and q is true

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trigonometric equation

conditional equation

identity

None

A conjunction of two statement p and q is true only if

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p is true

q is true

Both p and q are true

both p and q are false

If a,β are the roots of ax2+bx+c=0,the equation whose roots are doubled is

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ay2 +2by+c=0

ay2+2by+4c=0

ay2+2by+c=0

ay2+by+4c=0

Which of the following is factor of x11+a11, where n is an odd integer

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x-a

x+a

2x-a

2x+a

An even function is symmetric about the line

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y = x

x = 0

y = -x

y = 0

If the sum of co-efficient in the expansion of (a+b)ⁿis 4096, then the greatest co-efficient in the expansion is

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1594

792

924

2924

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Imaginary

Rational

Irrational

Real numbers

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(3, 1, -2)

(3, -2, 1)

(2, -1, 3)

(-1, -2, -3)

if f(x) = x³ -3x² +5x -1, then f(-√2)=

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7+7√2

3+3√2

-7-7√2

-3-3√2

Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

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

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An identity

An equation

A polynomial

None

if the value of the sphere, v =4/3πr²^, then the which of the following statement is true?

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r is the function of v

v is the function ofπ

π is independent variable

None of these

(0,0) is in the solution of the inequality

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x + y > 3

x - y > 2

3x + 2y > 5

3x - 2y < 2

The perpendicular bisector of any chord of a circle

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Passes through the centre of the circle

Does not pass through the centre of the circle

May or may not pass through the centre of the circle

None of these

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cos x + c

-sin x + c

-cos x + c

sin x + c

A function which is to be maximized or minimized is called an

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Explicit function

Implicit function

Objective function

None

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The law of consines

The law of sines

The law of tangents

None of these

Sin^-1(-x)=

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Cos^-11/x

- Sin^-1X

Cot^-1X

None of these

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1

-1

0

I

The equation of the circle witch centre (-3, 5) and radius 7 is

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(x-3)²+ (y+5)²= 7²

(x-3)²+ (y-5)²= 7²

(x+3)²+ (y+5)²= 7²

(x+3)²+ (y-5)²= 7²

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An ellipse

A parabola

A circle

A hyperbola

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The distance of the point (2.3) from x-axis is

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2

3

5

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