Question # 1

If n∈Z+ then(a+x)n is a/an

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Finite series

Convergent series

Infinite series

Divergent series

The graph of the quadratic equation is

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Straight line

Circle

Parabola

elipse

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1

2

3

None of these

The different of tan x is

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sec2 x

ln |sec x|

sec2 xdx

-cos ec2 x

If the vector 2i + 4j - 7k and 2i + 6j + xk are perpendicular then x = ?

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0

2

4

7

If ax + bx + c =0 is satisfied by every value of x,then

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b = 0,c = 0

c = 0

b = 0

a = b = c = 0

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none of these

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

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(0,ac)

(ac, 0)

(0,0)

(a, c)

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

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P∉ A means

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Pis subset of A

Pis an element of A

P does not belongs to A

A does not element of P

Cofactor of an element a_ijis defined by

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(-1)^i+j|A|

(-1)^i+jM_ij

(-1)^i+jM^-1

None of these

i =

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√1

√2

√-2

√-1

∫sin(ax+b) dx is equal to:

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1/2a cos (ax + b)

-1/a cos (ax +b)

1/a cos (ax +b)

1/a ln (ax + b)

Find the geometric mean between 4 and 16

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The number of permutation that can be formed from the letters of the word OBJECT is

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700

600

720

620

The approximate percentage increase in the volume of a cube if the length of its each edge changes from 5 to 5.02 is

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1.2%

1.5%

0.16%

100.16%

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1

-1

5

2

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2

1

5

0

The towers each 120 meters high are 800 meters apart. The measure of the angle of elevation from the base of one tower to the top of the other is

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12^𝜊

9^𝜊

7^𝜊

-120^𝜊

The set (Z, +) forms a group

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Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t multiplication

Doesn't form a group

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none of these

The equation of the circle with centre (-h, -k) and radius r is

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(x +h)²+ (y+k)²= r²

(x +h)²+ (y-k)²= r²

(x -h)²+ (y+k)²= r²

(x -h)²+ (y-k)²= r²

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Evert element of A is in B

Every element of B is in A

Every element of A is in B'

Every element of A is in A

If f(x) = x²then f(0) is

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0

1

2

none of these

The coefficient of xn in the expansion of (1-x)-1 is

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(-1)n2n

1

(-1)n(n+1)

(n+1)

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Period of tan x is ______

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cos (α-β) = cosαcosβ+ sinαsinβis true for all

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α>β> 0

α>β

β>α

None of these

For any equilateral r :R :η :r1 :r2 :r3 =

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1:2:3:4:5

1:2:3:3:3

1:2:4:4:4

2:1 :2 :2 :2

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