Question # 1

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Right angled

Obtuse angled

Isosceles

Equilateral

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quadrant I

quadrant II

quadrant III

quadrant IV

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(-1, 2)

(-1, 1)

(1, 2)

{-1}

(0,1) is in the solution of the inequality

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3x + 2y > 8

2x - 3y < 4

2x + 3y > 5

x -2y < -5

f(x) = C is

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identity function

constant function

linear function

quadratic function

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0

90°

180°

360°

The domain of the principal tan function is

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1.5

1.2

8

None of these

IfΔABC is right, law of cosine reduce to

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Law of sine

Law of tangent

Phthogorous theorem

Hero's formula

Matrix multiplication is

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Commutative

Not commutative

Not associative

Not distributive

A circle drawn inside a triangle and touching its sides is called

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In-circle

Circum circle

Escribed circle

None of these

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2x cos x2

-2xcosxsinx

2x Sin x2

-Sin x2

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

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For three consecutive terms in A.P middle term is called

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A.M

nth term

Central term

None of these

The position vector of a point (x, y) in xy plane is

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none of these

The set of complex numbers forms a group under the binary operation of

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Addition

none of these

Division

Subtraction

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

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Linear equation

Quadratic equation

Cubic equation

None of these

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A(α) - A(β)

A(α) + A(β)

A(α-β)

A(α+β)

If the intersecting plane is parallel to a generator of the cone, but intersects its one nappe only, the curve obtained is

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an ellipse

a hyperbola

a circle

a parabola

The line through the intersection of the lines x+ 2y+ 3= 0 : 3x +4y +7 =0 and making equal intercepts on the axes is

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x+ y+ 1= 0

x+ y- 2= 0

x+ y+ 2= 0

2x +y +2 =0

Sin 90° = ______

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-1

0

1

Undefined

Which of the following is a scalar.

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electric field

magnetic field

weight

mass

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p, q, r and s are integers. If the A.M. of the roots of x2- px + q2= 0 and G.M. of the roots of x2- rx + s2= 0 are equal, then

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q is an odd integer

r is an even integer

p is an even integer

s is an odd integer

A chimney is such that on walking towards it 50 m in a horizontal line through its base the angular elevation of its top changes from 30° to 45°. The height of the chimney is

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1

7

4

None of these

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