Question # 1

The distance of the point (2,3) from origin is

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5

2

3

The lines l1and l2intersect. The shortest distance between them is

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Positive

Negative

Zero

Infinity

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If the angle between two vectors u and v is 0 orπ, then the vectors u and v are:

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Orthogonal

Collinear

Perpendicular

None of these

An indicated sum of terms of a sequence is represented by

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Sn

an

S(n)

{Sn}

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The number of terms in the expansion of (a + b)⁹is

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10

11

9

12

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7

5

6

None of these

The points A(3,1),B(-2,-3),C(2,2) are vertices of an (an)

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Right triangle

Equilateral triangle

Isosceles triangle

Scalene triangle

For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?

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(3, 2)

(2, 3)

(1, 8)

(0, 3)

A fraction in which the degree of the numerator is less than the degree of the denominator is called

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1-i √-3 / 2

-1+i √-3 / 2i

-1+i √3 / 2

1+i √3 / 2

Sin 720° = ________

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1

0

2

1/2

In general matrices do not satisfy

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Not a group

A group w.r.t. subtraction

A group w.r.t. division

A group w.r.t. multiplication

Complex roots of real quadratic equation occur in

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Nilpotent matrix

Singular matrix

Non singular matrix

Diagonal matrix

If α and β be irrational roots of a quadratic equation, then

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α = b/a and β = ca

α = a/b and β = -c/a

α² + β² = 1

α = -b/a and β= c/a

Sin(a + b) + Sin(a- b) =

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Sin a Cos b

Sin a Sin b

Sin a + Cos b

Sin a - 2Cos b

If a line passes through origin then the equation of the line is

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y = m/x

y = mx

x = my

None

The sum of the interior angles for a 16 sided polygon is

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0

ω

1

1 / ω

If sin θ= 3/5 Cos θ=

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1/2

3/5

4/5

1

AreCot √3 =?

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π/2

π

2π

π/6

If A = (3,8) and B = (5,6) then the distance between A and B is

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2√2

2

1

6

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