Question # 1

If A is skew Hermitian Matrix then which of the following is not skew Hermitian matrix

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A2

A5

A3

A7

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The point ________ is in the solution of the inequality 2x - 3y < 4

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(0, -2)

(1, -3)

(2, 2)

(3, 0)

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3/8

7/8

1/8

None

The greatest integer which divides the number 101¹⁰⁰- 1 is

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100

1000

10000

100000

n(n - 1) (n - 2) in factorial form is

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4(x³- 3x²)³+ c

3x²- 6x + c

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sec 5x + c

- sec 5x + c

Intersection of two parabolas

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parabola

Two points

Four points

Hyperobla

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If i,m,n are the direction cosines of a vector O̅P̅ then

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I² + m² + n² =0

I² - m² + n² =1

I² + m² + n² =1

I² + m² - n² =0

Find the geometric mean between 4 and 16

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7, 8

14, 4

28, 2

56, 1

∫sec (ax + b) tan(ax + b) dx=_______

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sec(ax + b)/a

sec² (ax + b)/2

sec(ax + b)/x

1/2

∫1/ax +b dx =

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1/a log |ax + b| +c

Log |ax + b| +c

1/b log |ax +b| +c

1/x log |ax + b| +c

0 (zero) is

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A irrational number

A rational number

A negative integer

A positive number

π/3 is

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A positive integer

A negative integer

A natural number

An irrational number

An m x n matrix is said to be rectangular if

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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

If Z₁ = √-36, Z₂=√-25, Z₃= √-16, then what is the sum of Z₁, Z₂ and Z₃ ?

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√3 I

√7

-2-1

√5

Sin 720° = ________

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1

0

2

1/2

The number of real roots in cube roots of 8 is ?

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n x m

m x n

km x n

m x kn

If Sin^-1 x + cos^-1 y = π, then x and y are

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Associative angles

Complementary angles

Reflex angles

Supplementary angles

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