Question # 1

The sum of the squares of three distinct real numbers, which are in G.P., is S². if their sum isαS then

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Range of tanθis

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Set of complex numbers

Set of real numbers

Set of odd numbers

Set of positive integers only

The middle term of (x-y)⁸is

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25 x⁴y⁴

70 x⁴y⁴

120 x⁴y⁴

97x⁴y⁴

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The set of rational number is represented by

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W

R

Q'

Q

Domain of sinθis

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Set of real numbers

Set of complex numbers

Set of natural numbers

Set of even numbers

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

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295

495

395

722

The Domain of y = sin x is ______

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Set of real numbers

Rational

Irrational no.

None of above

The two different parts of the hyperbola are called its

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Vertices

Directrices

Nappes

Branches

The discriminant of the quadratic equation ax²+ bx + c = 0 is

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b²+ 4ac

b²- 4ac

4ac - b²

a²- 4ac

If (1+x-2x³)⁶= 1+a₁x + a₂x²+ a₃x³+ ..... the the value of a₂+ a₄+ a₆+ .....+a₁₂will be

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32

31

64

1024

Domain of tangent function is

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The fixed point from which all the points of a circle are equidistant is called the

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chord of the circle

centre of the circle

diameter of the circle

radius of the circle

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Z is a group under

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Subtraction

Multiplication

Addition

None of these

cos2a=______;

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cos2 a-sin2 a

2cos2 a-1

1-2 sin2 a

All of these

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a tan(ax + b) + c

- a tan(ax + b) + c

If Cosθ=0, thenθ= ______

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nπ/2

(2n + 1)π/2

(2n - 1)π/2

(4n + 1)π/2

The probability to get an odd number in a dice thrown once is

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6

1

1/6

1/2

What is the 26th term of the sequence, if its general term is a_{n = (-1)}ⁿ⁺¹

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2

26

27

1

The function {f(x,y)|y = ax2 +bx +c} is

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One-one function

Constant function

Onto function

Quadratic function

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

By expressing cos 113° in terms of trigonometrical ratios, answer will be

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− cos 76° = -0.7093

− cos 65° = -0.4258

− cos 67° = -0.3907

− cos 62° = -0.8520

The decimal fraction in which we have finite number of digits in its decimal part is called.

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recurring decimal fraction

Non terminating faction

Non recurring fraction

terminating decimal fraction

The seventh term of an A.P whose first term is P and common difference is q. is

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P-6q

P+6q

P-4q

P-nq

tan(3π/2 +θ)=______;

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tanθ

cotθ

-tanθ

-cotθ

The law of sines is

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1

-1

0

None of these

If t is the parameter for one end of a focal chord of the parabola y²= 4ax, then its length is

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30°

45°

60°

75°

The equation of the circle witch centre (-3, 5) and radius 7 is

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(x-3)²+ (y+5)²= 7²

(x-3)²+ (y-5)²= 7²

(x+3)²+ (y+5)²= 7²

(x+3)²+ (y-5)²= 7²

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