Question # 1

The law of sines can be used to solve

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Right angle triangle

Isosceles triangle

oblique triangle

haxagon

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The angle of elevation of the top of a tree from a point 17 meters from is foot is 42^𝜊The height of the tree is

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12m

21m

17m

15m

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If two balls are drawn from a bag containing 3 white, 4 black and 5 red balls. Then the probability that the drawn balls are of different colours is

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1 / 66

3 / 66

19 / 66

47 / 66

Let A,B and C be any sets such that A∪B = A∪C and A∩ B = A∩ C then

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A = B

B = C

A≠ C

A ≠ B

x = ________ is in the solution of 2x - 3 < 0

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2

-2

3

4

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real part of z

imaginary part of z

conjugate of z

modulus of z

45° = ______

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cosec x + c

-cosec x + c

-sec x + c

sec x + c

The distance between the points (2,3) and (3,2) is

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5

2

10

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

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Vertex of the solution

Feasible point

Point of inequality

Null point of the solution region

If you are looking someone on the ground from the top of a hill the angle formed is called angle of _______;

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Elevation

Depression

Right angle

None off these

The ratio in which the line y- x+ 2 =0 divides the line joining (3,-1) and (8,9) is

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2:3

-2:3

3:2

-3:2

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

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√2

1/2

undefine

0

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-2x cos x²

-2x²sin x²

-x²sin x

-2x²sin x²

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A sequence whose reciprocal is an A.P is called

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Oscillator

H.P

G.P

None of these

The constant distance of all points of the circle from its centre is called the

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Radius of the circle

Secant of the circle

Chord of the circle

Diameter of the circle

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2C

C³

1

0

The angle of depression of a point A on the ground from the top of the tower is 30𝜊,then the angle of elevation of the top of the tower at the point A is

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60𝜊

40𝜊

41𝜊

30𝜊

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-10

10/7

-10/7

-7/10

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An upper triangular matrix

A lower triangular matrix

A diagonal matrix

A null matrix

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0

1

-1

undefined

The extraction of cube root of a given number is a

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Unary Operation

Binary Operation

Relation

None of these

π is ______

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A complex number

A rational number

A natural number

An irrational number

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

Power set of X i.e P(X) _______ under the binary operation of union U

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Forms a group

Does not form a group

Has no identity element

Infinite set although X is infinite

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