Question # 1

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Singular

Non-singular

Adjoint

None of above

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2²- n - 1

1 - 2^-n

n + 2^-n-1

2ⁿ- 1

If (2, 3) is the mid point of (a, 3) and (5, b) then

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a = 1 , b = -3

a = -1 , b = 3

a = 1 , b =3

a = -1 , b = -3

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1/x

-x

2x

0.5 x

The area of the rhombus whose vertices are A(0,0),B(2,1),C(3,3),D(1,2) is

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36 square units

3 square units

6 square units

18 square units

If f(x) = cos x then f(0) is

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0

1

1/2

The period of|sin⁡2x| is

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π/2

-π/2

π

π/3

The fifth term of an A.P. Whose first term is 5 and common difference is 3,is

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20

17

25

30

The set {x +iy / x, y ∈ Q} forms a group under the binary operation of

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Addition

Multiplication

Division

Both addition and multiplication

The set { {a,b} } is

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Infinite set

Singleton set

Two points set

Empty set

What is the probability of being born on Wednesday?

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1/7

1/2

1/3

1/8

Let S_ndenote the sum of the first n terms of an A.P. If S_2n= 3 S_n: S_nis equal to

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4

6

8

10

1 radian = ______

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180°

90°

57.296°

60°

If the roots of ax2 + b =0 are real and distinct then

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ab > 0

a = 0

ab < 0

a > 0,b > 0

Derivative of x³w.r.t x is

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0

1

3x²

x³

ⁿC₂= exists when n is ______

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none of these

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Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

Which of the following is factor of p(x) =2x3 +3x2+3x+2 ?

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x+1

2x+1

3x+1

2x-1

For trival solution |A| is

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A

|A| is non zero

A = 0

None of these

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none of these

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-sinθ

cosθ

sinθ

-cosθ

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A = B iff

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All elements of A also the elements of B

A and B should be singleton

A and B have the same number of elements

If both have the same element

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The coefficient of xn in the expansion of (1-2x)-1 is

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(-1)n2n

2n

(-1)(n+1)xr

(n+1)2n

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!

f(x) = 1 is

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identity function

constant function

linear function

quadratic function

Let P(x₁, y₁) and Q(x₂, y₂) be two points in the co-ordinate plane. Let d = distance between P and Q

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