Question # 1

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I3

rI3

r

none

The range of the principal sine function is

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Two matrices A and B are conformable for the product AB if

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Both A and B are square

Both A and B are symmetric

Number of rows of A = number of columns of B

Number of columns of A = number of rows of B

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a sin(ax + b) + c

- a sin(ax + b) + c

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1, 1/2, 0

1, 2, 1

1, 2, 3

1, 2, 0

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n < 8/5

n < 5/8

|n| < 8/5

|n|>8/5

Three dice are thrown together. The probability of getting a total of at least 6 is

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103 / 108

10 / 216

93 / 108

None of these

Range of sin x is ______

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[-1, 1]

R

Negative real numbers

None of these

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The matrix A is Hermitian when (A)' =

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A

-A

A

A'

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30°

45°

60°

120°

The nth term of a G.P. is

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a₁rⁿ

a₁rⁿ⁺¹

a₁r^n-1

a₁r^-n

The transpose of a column matrix is a ______

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Zero matrix

Diagonal matrix

Column matrix

Row matrix

(1 + 2x)⁴= ______

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1 + 4x + 6x²+ 4x³+ x⁴

1 - 4x + 6x²- 4x³+ x⁴

1 - 8x + 24x²- 32x³+ 16x⁴

1 + 8x+ 24x²+ 32x³+ 16x⁴

If |a x b|2 + (a,b)2 = _____

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|a|2 + |b|2

|a|2- |b|2

|a|2|b|2

None

Which of the following statement is true?

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A set is a collection of non-empty object

A set is a collection of only numbers

a set is any collection of things

a set is well-defined collection of objects

The set of ordered pairs (x,y) such that ax+ by < c, and (x,y) such that ax + by>0, are called

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Linear Inequalities

Feasible regions

Half planes

Boundary

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3j . k x i

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0

1

3

9

Corner point of the system x - y≤ 2,x + y≤ 4,2x -y≤ 6,x≥ 0,y≥ 0

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(1,4)

(4,2)

(3,1)

(4,1)

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e^x+ c

e^-x+ c

x e^x+ c

not possible

The Domain of y = sin x is ______

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Set of real numbers

Rational

Irrational no.

None of above

The total number of subsets that can be formed out of the set {a, b, c} is

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1

4

8

12

ax + by < c is linear inequality in

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four variables

three variables

two variables

one variable

The set R is ______ w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

Period of tan x is ______

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The range of the tangent function is

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all real numbers

-1 ≤ x ≥ 1

natural number

z⁺

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

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

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2

4

6

8

The law of consines is

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