Question # 1

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(3, 1, -2)

(3, -2, 1)

(2, -1, 3)

(-1, -2, -3)

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2 x 2

2 x 3

3 x 2

3 x 3

The corner point of the boundary lines, x- 2x

x+2y=10 is:

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(8,1)

(1,8)

(6,10)

(3,5)

3j . k x i

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0

1

3

9

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I and III quadrants

II and III quadrants

I and II quadrants

II and IV quadrants

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A.P.

G.P.

H.P.

None of these

In one hour the minute hand of a clock turns through

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An integer is chosen at random from the number ranging from 1 to 50. the probability that the integer chosen is a multiple of 2 or 3 or 10 is

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3 / 10

5 / 10

7 / 10

9 / 10

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

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0

1

1/2

The multiplicative inverse of -1 in the set {1-, 1} is

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1

-1

+-1

0

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0

1

The number of proper subset of A ={a.b.c.d} is

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3

6

8

15

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The law of sines

The law of consines

The law of tangents

None of these

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none of these

Three numbers are chosen random without replacement from {1, 2, 3, ...., 10}. the probability that minimum of the chosen numbering is 3 or their maximum is 7

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7 / 40

5 / 40

11 / 40

None of these

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1 + tan²x + c

tan x + c

-tan x + c

cot x + c

The period of the function f(x) = sin⁴x + cos⁴x is

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π

π/2

2π

None of these

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trigonometric equation

conditional equation

identity

None

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If S is a sample space and event set E =Φ then P(E) is

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>0

1

<1

0

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A matrix in which the number of rows is not equal to the number of columns is called a

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Diagonal matrix

Rectangular matrix

Square matrix

Scalar matrix

sec (-360°) = ______

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0

1

2

3

Zero is

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An irrational number

A rational number

A negative integer

A positive number

The set {1, -1, i, -i}

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Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

The domain of f(x) = log x is

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[0,∞]

(0,∞)

[0,∞[

[∞,∞]

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0

20

90

80

The unit vector along y-axis is

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none of these

The points A(3,1),B(-2,-3),C(2,2) are vertices of an (an)

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Right triangle

Equilateral triangle

Isosceles triangle

Scalene triangle

Derivative of strictly increasing function is always

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Zero

Positive

Negative

Both (A) and (B)

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