Question # 1

The domain of {(a,b),(b,c),(c,d)} is............

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{a,b,c}

{b,c,d}

{a,b}

{a,b,c,d}

Cotθ = __________

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Sinθ/cosθ

1/cosθ

Cosθ/Sinθ

1/sinθ

A collection of well-defined distinct object is called:

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Subset

Power set

Set

None of these

1+Cot² θ

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Sin²θ

Cos²θ

Cosec² θ

Sec²θ

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In a : b : : c : d, d is called:

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Thirdproportional

Fourthproportional

Meanproportional

Continuedproportional

The discriminant of x²-3x+3=0 is:

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-3

3

-2

2

A fraction in which the degree of the numerator is greater or equal to the degree of denominator is called:

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A proper fraction

An improper fraction

An equation

Algebraic relation

If A⊆ B then A∪ B is equal to

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A

B

∅

None of these

Sin 60° =

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1

0

If each element in any row or each element in any column of a square matrix is zero, then value of the determinant is:

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0

1

-1

none of these

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2

4

6

8

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3×2

2×3

2×2

3×3

The domain of principal tangent function is:

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Four fourth roots of 625 are:

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±5,±5i

±5,±25i

±25,±25i

none of these

If AB = BA = I, then A and B are:

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equal to each other

multiplicative inverse of each other

additive inverse of each other

both singular

Conjugate of a + i b is:

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-a + ib

a + ib

-a - ib

a - ib

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A and B are power sets

A and B are disjoint sets

A and B are super sets

A and B are equal sets

In any triangle ABC, law of sines is:

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In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center:

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s

k

r

Θ

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B

A

none of these

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0

1

-1

2

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Implicit

Explicit

Exponential

Logarithmic

Zero vector is perpendicular to:

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Every vector

Unit vector only

Position vector only

Not any vector

A scalar quantity is one that possesses only :

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Magnitude

Direction

Both a and b

None of these

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- cosec² x

cosec²x

- cosec x cot x

cosec x cot x

If f(x) = |x|, f(x) is a:

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Constant function

Absolute function

Linear function

Quadratic function

One of the angles of a triangle inscribed in a circle is of 40°. If one of its' the diameter, the other angles have the measures:

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30°, 110°

40°, 100°

50°, 90°

20°, 120°

The axis of the parabola y² = -4ax is:

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x = a

x = 0

y = a

y = 0

y = 2x + 3 is the;

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Slope-intercept form

Two points form

Point slope form

Intercepts form

The linear function f(x) = ax + b is an identity function if:

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a = 0, b = 1

a = 1, b = 0

a = 1, b = 1

a = 0, b = 1

The non-negative inequalities are called:

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Parameters

Constants

Decision variables

Vertices

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