Question # 1

If a, b, c are in AP., a, b, c are in G.P. then A, m²b, c are in

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A.P.

G.P.

H.P.

None of these

If nis positive integers, then 2ⁿ>2n+1, only when

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n≤ 3

n≥ 3

n≤ 2

n≤ 1

Some of two real numbers is also a real number , this property is called:

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Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

∛8.6 is approximately equal to

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2.488

2.48

2.0488

2.05

The set of all points in the plane that are equally distant from a fixed point to called a

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Parabola

ellipse

Hyperbola

Circle

sin(π/2+θ) = _______;

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sinθ

cosθ

-sinθ

-cosθ

The direction cosines of a line equally inclined with co-ordinate axes are

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i¹⁰¹ =

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i

i²

-i

-1

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(a,0) x (c, 0) =

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(0,ac)

(ac, 0)

(0,0)

(a, c)

The solution set of the equation 1 + Cos x = 0 is __________

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none of these

A line segment whose end points lie on a circle is called

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The secant of the circle

The arc of the circle

The chord of the circle

The circumference of the circle

The study conics, pappus used the method of:

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analytic geometry Euclidean

solid geometry

Greek mathmaticians

None of these

If B ={x/x€ Z ^ - 3 < x < 6}, then n (B) =

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5

{-3,-2,-1,0,1,2,3,4,5,6}

8

9

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(a + b)c = a . c + bc

a + b = b + a

(a + b) + c = a + (b + c)

a(b+ c) = ab + ac

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n(A)

n(B)

0

1

The parametric equations of a circle are

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square root function

identity function

linear function

quadratic function

The total number of subsets that can be formed out of the set {a, b, c} is

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1

4

8

12

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

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A proper fraction

An improper fraction

An equation

An identity

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Every relation, which can be represented by a linear equation in two variables, represents a

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Relation

Cartesian product

Function

Graph

Write down the power set of {9, 11}

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The period of the trigonometric function y = sin x cos x is

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2π

π

4π

π / 2

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none of these

A square matrix A for which A^t= -A is called a

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Column matrix

Symmetric matrix

Skew-symmetric matrix

Row matrix

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ab=-1

ab = 1

ab = 2

None

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P(A) + P(B)

P(A) - P(B)

P(A) . P(B)

P(A) / P(B)

If the roots of ax²- bx - c = 0 change by the same quantity, then the expression in a, b, c that does not change is

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The equations of the line thro' the point (2, 3, -5) and equally inclined to the axis are

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