Question # 1

The area of sector with central angle of 1 radian in a circular region whose radius is 2m is

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0.5m2

2m2

1m2

4m2

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

2x + y = 2 is:

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(2,6)

(6,2)

(-2,2)

(2,-2)

The liner equation ax + by = c is called _________ of the inequality ax +by > c.

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Associated equation

Non-associated equation

disjoint equation

Feasible equation

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a tan(ax + b) + c

- a tan(ax + b) + c

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1

0

The solution of the equation 3 tan²x = 1 is ____________

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none of these

The process of finding the unknown elements in triangle is called the

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solution of the triangle

Mean differnece

Engineering distance

angle of depressin

Associative law of multiplication

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ab = ba

a(bc) = (ab) c

a(b+c) = ab + ac

(a + b)c = ac + bc

Domain of cosecθis

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If the lower limit of an integral is a constant and the upper limit is a variable, then the integral is a

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Constant function

Variable value

Function of upper limit

All

For an A.P common difference d

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Can be zero

May or may not zero

Cannot be zero

None of these

14 is not a

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Prime number

Whole number

Even number

Real number

cos (α-β) = cosαcosβ+ sinαsinβis true for all

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α>β> 0

α>β

β>α

None of these

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The condition for ax2 + bx c to be expressed as the product of linear polynomials is

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b4 - 4ac =0

b4- 4ac ≥0

b4- 4ac <0

b4= 4ac

H₁, H₂, H₃, .... H_nare called n harmonic means between a and b if a, H₁, H₂, H₃, ... H_nb are in

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H.P.

G.P.

A.P.

None of these

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In (x + iy), y is called as

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Imaginary part

Complex number

Real part

None of above

The distance of point P(x,y) from focus in a parabola

y² =4ax, is:

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2a

a

x + a

x-a

The value of cos(cos-1 1/2) is

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1/2

√3/2

-1/2

1/√2

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If y is an image of x under the function f, then we write

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y = f(x)

x = f(y)

y = x

none of these

The 60th part of one minute is called

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Degree

Second

Radiam

None of these

The product of the four fourth roots of unity is

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0

1

-1

None of these

The line 3x - 4y = 0

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Is a tangent to the circle x²+ y²= 25

Is a normal to the circle x²+ y²=25

Does not meet the circle x²+ y²= 25

Does not pass thro' the origin

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A.P.

G.P.

H.P.

None of these

The function f : x→ y defined as f (x) =α∀x∈ X,α∈ y is called

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Constant function

Polynomial function

Identity function

Linear function

The projections of a line segment on x, y, z axes are 12, 4, 3. The length and the direction cosines of the line segment are

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Which of the following has the same value as i¹¹³?

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i

-1

-i

1

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