Question # 1

If #n = (n-5)2 + 5, then find #3 x #4.

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54

12

4

9

Period of sec x is ______

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

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2

-5

-3

f(x) = x³is:

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an odd function

an even function

an implicit function

a quadratic funtion

w^-12= ______

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0

1

w

w²

(-28,12) divides the join of A(-6,3) and B(5,-2) in ratio

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1:2

3:2

2:3

2:1

The set (Z, +) forms a group

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Forms a group w.r.t addition

Forms a group w.r.t multiplication

Non commutative group w.r.t multiplication

Doesn't form a group

The system of measurement in which the angle is measured in radians is called the

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circular system

CGS system

sexagesimal system

none of these

Associative law of multiplication

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ab = ba

a(bc) = (ab) c

a(b+c) = ab + ac

(a + b)c = ac + bc

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c = 0

c = -1

c = -2

c = 1

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Free vector

Null vector

Unit vector

None of these

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(x, y)

(kx, y)

(x, ky)

(kx, ky)

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a

2a

3a

4a

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The range of function f(x)=-x2+2x-1 is

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R

(-∞,0]

(-∞,1]

[0,∞)

The matrix A is Hermitian when (A)' =

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A

-A

A

A'

1st four terms of the expansion (1-x)^-2are

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1 + 2x + 3x²+ 4x³

3x²+ 2x + 1

1 + 3x + 4x²+ 5x³

None of these

The order of the matrix A is 3 x 5 and that of B is 2 x 3.The order of the matrix BA is

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2 x 3

3 x 2

2 x 5

5 x 2

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

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Addition

Multiplication

Division

Subtraction

The solution set of the equation 4 cos²x - 3 + 0 is

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none of these

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

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0

2

4

7

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0

-2

1

4

x =r cosθ,y= sinθ are the parametric equations of

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Circle

Ellipse

Parabola

Hyoerbola

H₁, H₂, H₃, .... H_nare called n harmonic means between a and b if a, H₁, H₂, H₃, ... H_nb are in

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H.P.

G.P.

A.P.

None of these

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15

15 i

-15 i

-15

The sum of all positive integral multiple of 5 less than 100 is

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950

760

1230

875

For any set B,B∪B' is

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Is set B

Set B'

Universal set

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The seventh term of an A.P whose first term is P and common difference is q. is

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P-6q

P+6q

P-4q

P-nq

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