Question # 1

The identity elements with respect to subtraction is

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0

1

-1

Does not exist

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additive property

multiplicative property

additive inverse

additive identity

The general equation of a circle is

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i¹⁰¹ =

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i

i²

-i

-1

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Square matrix

Row matrix

Symmetric matrix

Null matrix

A non-terminating, non-recurring decimal represent

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A natural number

A rational number

An irrational number

A prime number

3x + 4 = 0 is

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not inequality

equation

identity

inequality

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

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Boundary

Inequality

Half plane

Vertex

How many arrangements of the letters of the word ADDING can be made

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The area under the curve y = 1/x² between x = 1 and x =4 is:

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-25

0.75

-0.35

-10

The sum of the coefficient in the expansion of (a + x)⁵is

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32

16

8

5

If f(x) = cos x then f(0) is

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0

1

1/2

Corner point of the system x - y≤ 2,x + y≤ 4,2x -y≤ 6,x≥ 0,y≥ 0

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(1,4)

(4,2)

(3,1)

(4,1)

Archimedes approximate the function by horizontal function and the area under f by the sum of small

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Parallelograms

Squares

Retangles

Polygons

Period of 2 cos x is ______

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The intercepts of the plane 2x - 3y + 4z = 12 on the co-ordinate axes are given by

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2, -3, 4

6, -4, -3

6, -4, 3

3, -2, 1.5

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

What is the value of cos-1(1/2)?

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π/3

π/4

3π/2

π/6

The conic ax2+2hxy+by2+2gx+2fy+c= 0 never represent a circle if

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a≠ b,h≠0

a=b

h≠0

h=0

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f(x) = 2^x+ 3 . 2^2x+ 5 is

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trigonometric function

algebraic function

exponential function

logarithmic function

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quadrant I

quadrant II

quadrant III

quadrant IV

The range of y = cot x = ______

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-∞> y > +∞

-∞> x > +∞

-∞ <y < +∞

None of above

If a polynomial P(x) is divided by x + a, then the remiander is

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P(a)

P(-a)

P(0)

None of these

If 2x +y + λ =0 is normal to parabola y2 =-8x,λ= _____

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12

8

24

-24

p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

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1

2

3

4

The distance of the point (2,3) from origin is

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5

2

3

The line through the intersection of the lines x+ 2y+ 3= 0 : 3x +4y +7 =0 and making equal intercepts on the axes is

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x+ y+ 1= 0

x+ y- 2= 0

x+ y+ 2= 0

2x +y +2 =0

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2x + 3

x²+ 3 + c

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