Question # 1

If the exponent in the binomial expansion is 6, then the middle term is

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2nd term

3rd term

4th term

5th term

Cos 0° = ______

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-1

0

1

Undefined

Both the roots of the equation (x - b) (x - c) + (x - c)(x - a) + (x - a)(x - b) = 0 are always

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Positive

Negative

Real

None of these

Projection of vector u along v is

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|v| cosθ

|u| cosθ

|v| sinθ

|u| sinθ

A point of a solution regions where two of its boundary lines intersect, is called:

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Vertex of the solution

Feasible point

Point of inequality

Null point of the solution region

Range of cosecθis

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W - {y | -1 < y < 1}

R - {y | -1 < y < 1}

O - {y | -1 < y < 1}

R

The function {f(x,y)|y = ax2 +bx +c} is

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One-one function

Constant function

Onto function

Quadratic function

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A Geometric Series is divergent only if

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|r|>1

|r|≥1

|r|=1

None of these

Range of tanθis

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Set of complex numbers

Set of real numbers

Set of odd numbers

Set of positive integers only

The set {Z\ {0} } is group w.r.t

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Addition

Multiplication

Division

Subtraction

How many 6-Digit number can be formed without repairing any digit from the digits 0,1,2,3,4,5

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720

600

120

6-5!

The fixed point from which all the points of a circle are equidistant is called the

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chord of the circle

centre of the circle

diameter of the circle

radius of the circle

What is the conjugate of -7 -2i?

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-7 + 2i

7 + 2i

7 -2i

None of these

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R

2R

r

2r

If the roots of ax²+ bx + c =0 are equal in magnitude but opposite in sign, then

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a = 0

b = 0

c = 0

None of these

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sin h x

cos h x

sec h x

cosec h x

The additive inverse of a matrix A is

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None of these

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Associative property of addition

Commutative property of addition

Distributive property

Additive identity

The solution set of x²- 5x + 6 = 0 is

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{1, 3}

{2, 3}

{1, 2}

None of these

If A is such that a,A,B are in A.P then A is called

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A.M

Common ratio

Common difference

None of these

If a₁= 3, r = 2, then the nth term of the G.P. is

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2.3^n-1

3.2ⁿ

3.2ⁿ⁺¹

3.2^n-1

The process of finding a function whose derivative is given is called a

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Differentiation

Integration

Differential

None

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The equation of the circle with centre origin and radius r is

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x²+ y²= 1

x²+ y²= r²

x²+ y²= 0

x²- y²= r²

∀x,y∈R and x> 0 , y>0, if x > y

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None of these

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n!

0!

1

None of these

The line l is horizontal if

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m is undefined

m=0

m=1

m=0-1

A function f(x) is said to be the periodic function if for all x in the domain of f, there exists a smallest positive number p such the f(x + p) = ______

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f(p)

f(x)

f(o)

None of these

If G is a G.M between a and b then a,G,b are in

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A.P

H.P

G.P

None of these

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