Question # 1

The law of tangents is ______

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0

3

9

-3

The angles of elevation of the top of a tower at the top and the foot of a pole of height 10 m are 30° and 60° respectively. The height of the tower is

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10 m

15 m

20 m

None of these

The differential equations of all conis whose axes coincide with the co-ordinate axis is

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(7, 9) + (3, -5) =

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(4, 4)

(10, 4)

(9, -5)

(7, 3)

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2C

C³

1

0

Range of 3 cot x is ______

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[-1, 1]

[-3, 3]

R

None of these

The exact degree value of the function sin-1( -√3/2) is

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70^ο

50^ο

90^ο

60^ο

The solution of differential equation:

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dy/dx+y/x = x²is :

4xy = x⁴+ c

4x = x⁴= c

4 y = x⁴+ c

4x=4x³ + c

If n is not natural number, then the expansion (1 + x)ⁿis valid for

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1, 2, 3

1, 5, 9

2, 5, 8

3, 6, 9

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0

1

For a set A, A∪Ac= ---------------------

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A

∅

Ac

U

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

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120°

135°

150°

140°

If A = [aij]mxpand B =[aij]pxnthen order of BA is

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m x n

p x n

n x m

None of these

2/9,5/7∈ R,(2│9)(5│7)=10/63∈R this property is called

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Associative property

Identity property

Commutative property

Closure property w.r.t multiplication

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

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10

11

9

12

Range of cos x is ______

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[-1, 1]

R

Negative real numbers

R - { x | - 1 < x < 1}

A series consisting of an unlimited number of terms is termed as an

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Finite sequence

Infinite sequence

^{Infinite series}

geometric sequence

We also the system of non-homogeneous linear equations by

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a and b

b and c

c and a

a, b and c

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I quadrant

II quadrant

III quadrant

IV quadrant

In the interval 0≤ x ≤ π, the sine is

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Not a function

Not defined

Infinity

Not one-to-one function

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If distance between (3,b) and (0,0) is 3 then b = _______

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3

9

0

For all points (x,y) on y-axis

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x is positive

x = 0

x is negative

y = 0

The magnitude of a vector can never be

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Zero

Negative

Positive

None of these

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0

1

-2

10

A,G,H are in

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A.P

G.P

H.P

None of these

√25 is a number

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Rational

Irrational

Natural

Odd

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0

1

-1

None of these

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