Question # 1

Range of 3 sin x is ______

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[ -3, 3]

[-1, 1]

R

None of these

sin 2 α=

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The straight lines represented by the equation ax2+ 2hxy +by2 =0 intersects at

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(1,1)

(0,1)

(1,0)

(0,0)

The set {1, -1, 1, -1}, form a group under

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Addition

Multiplication

Subtraction

None

The square roots of negative numbers is called

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Real no

Complex no

Positive no

Negative no

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The points (5, 0, 2), (2, -6, 0), (4, -9, 6) and (7, -3, 8) are vertices of a

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Square

Rhombus

Rectangle

Parallelogram

A tower subtends an angleαat a point on the same level as the root of the tower and at a second point, b meters above the first, the angle of depression of the foot of the tower isβ. The height of the tower is

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b cotαtanβ

b tanαtanβ

b tanαcotβ

None of these

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graph of trigonometric function y = sec x does not meet

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x - axis

y -axis

both axis

None of these

A function in which the second elements of the order pairs are distinct is called

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Onto function

One-one function

Identity function

Inverse function

i =

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√1

√2

√-2

√-1

The solution of the quadratic equation x2 -7x + 10=0, is

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2

5

2,5

7

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cot x + c

tan x + c

-cot x + c

-tan x + c

8 . 7 . 6. 5 in factorial form is

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c = 0

c = -1

c = -2

c = 1

If the roots of ax²- bx - c = 0 change by the same quantity, then the expression in a, b, c that does not change is

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The term independent of x is the expansion (x³+1/x)¹²

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295

495

395

722

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4

3

2

1

If E = { } , then P(E)

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∅

{ }

{(2),(4),(6)....}

(∅)

The angle between lines xy =0 is

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45°

60°

90°

180°

Period of Sine and Cosine function is

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π

2π

-π

-2π

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5x^{4 + c}

1/6 x⁶+ c

5x²+ c

1/5 x⁶+ c

If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a

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parabola

circle

hyperbola

ellipse

The corner point of the boundary lines, x- 2x

x+2y=10 is:

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(8,1)

(1,8)

(6,10)

(3,5)

Cofactor of an element aij denoted by Aij is

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(-2)i+j

Mij

(-1)i+j Mij

None of above

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If S = {3,6,9,12.......}, then

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S = Four multiples of 3

S = Set of even numbers

S = Set of prime numbers

S = All multiples of 3

∀x,y∈R and x> 0 , y>0, if x > y

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None of these

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Improper rational fraction

Rational fraction

Proper rational fraction

None of above

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