Question # 1

Two coins are tossed twice each. The probability that the head appears on the first toss and the same forces appear in the two tosses is

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1/4

1/2

1/3

1/7

If a is any real number and a = a is called

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symmetric property

Trichotomy Properties

Transitive Property

Reflexive Properties

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Even

Odd

Prime

None of these

If all members of a sequence are real numbers then it is called a

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Series

Function

Real sequence

Range

Cos (α+β) - cos (α-β) =

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-2 sinα sinβ

2 sinαcosβ

-2 sinαcosα

4 sinα cosβ

The interval in which f(x)=x3-6x2+9x is increasing

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1<x<3

x<1 and x>3

X ≥1 and x ≤ 3

-∞ < x < ∞

f(x) = x3-x/x2+1 is :

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an even function

an odd function

an even and implicit function

neither even nor a odd

The number of terms in the expansion of (a + x)¹²is

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13

12

11

10

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The set {1,-1, i, -i} form a group under

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Addition

Multiplication

Subtraction

None

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

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1

-1

0

Does not exist

For each real number, there is a number which is its

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Negative

Possitive

Opposite

Similar

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0

1

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Principle of equality of Fractions

Rule for product of fraction

Golden rule of fraction

Rule of quotient of Fraction

(1, 2) is in the solution of the inequality

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2x + y > 8

2x + y < 6

2x - y > 1

2x + 3y < 2

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5

20

9

4

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sin h x

cos h x

sec h x

cosec h x

Range of sec x is ______

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[-1, 1]

R

Negative real numbers

R = {x | -1 < x < 1}

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

The multiplicative inverse of (a,b) is

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P(A) + P(B)

P(A) - P(B)

P(A) . P(B)

P(A) / P(B)

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A

B

A'B'

B'A

A square matrix A = [aij] is lower triangular matrix when:

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aij = 0 for all i < j

bij = 0

cij = 0

dij =0

Tan 360° = _______

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-1

0

1

Undefined

Sin 50°-sin 70°+sin 10° is equal to

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1

0

1/2

2

i² =

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1

2

-1

0

The sixth term of the sequence 1,3,12,60....is

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1500

72

2160

2520

For what value of k, 3x -2y+ k= 0 is tangent to the circle x2 +y2 +6x -4y =0

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k=0

k=0 or 26

k = 26

k=-13

A quadratic equation has two

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roots

degree

variables

constants

If x < y, 2x = A, and 2y = B, then

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A = B

A < B

A < x

B < y

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