Question # 1

The obtuse angle between lines = -2 and y = x +2 is

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120°

135°

150°

140°

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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If a₁, r are first term and the common ratio respectively then the sum of an infinite geometric series is

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2π is the period of

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sin𝜽

tan𝜽

cot𝜽

all circular function

If the roots of ax²+ bx + c = 0 (a > 0) be greater than unity, then

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a + b + c = 0

a + b + c > 0

a + b + c < 0

None of these

Three points whose position vector a,b,c are collinear

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axb +b x c+ c x a = 0

a,b +b,c +c,a =0

a,|a xc| =0

a+b+c =0

If |a x b|2 + (a,b)2 = _____

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|a|2 + |b|2

|a|2- |b|2

|a|2|b|2

None

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The unit vector along y-axis is

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none of these

∀a,b,c∈R and c>0,then

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a>b ⇒ ac < bc

a>b ⇒ ac > bc

a<b ⇒ ac > bc

None of these

The set of integer is

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Finite group

A group w.r.t addition

A group w.r.t multiplication

Not a group

The multiplicative inverse of 1 - 2i is

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n different objects can be arranged taken all at a time in ______

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(n + 1)! ways

(n - 1)! ways

n! ways

n ways

The eccentricity of parabola is:

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1

0

Greater than 1

Less than 1

The point _________ is in the solution of the inequality 2x + 3y < 5

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(1,1)

(2,2)

(0,1)

(0,2)

Roots of the equation x²- 7x + 10 = 0 are

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{2, 5}

{-2, 5}

{2,5}

{-2,-5}

The common ration of a geometric sequence cannot be

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0

1

2

3

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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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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28 / 81

28 / 243

81 / 28

243 / 82

(0.90)^1/2is equal to

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0.99

0.90

0.80

0.88

A circle is a limiting case of an ellipse whose eccentricity

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Tends to a

Tends to b

Tends to 0

Tends to a + b

The polar form of complex number x ≠ I y =

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r cos θ+ r sin θ

r cos θ+ is sin θ

cos θ+ r sin θ

i cos θ+ i sin θ

{1, 2, 3} is _____

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an infinite set

A finite set

A singleton set

Universal set

22.5°=______

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Three consecutive terms of a progression are 30, 24, 20. The next terms of the progression is

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A quadratic equation in x is an equation that can be witten in the form

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ax²+ b = 0

ax³ +b²+c=0

ax² +bx+c=0

ax³ +bx³+cx=0

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quadrant I

quadrant II

quadrant III

quadrant IV

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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