Question # 1

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

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1

-1

+-1

0

P∉ A means

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Pis subset of A

Pis an element of A

P does not belongs to A

A does not element of P

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

if a_{9 =19,a9=31 are the 6th and 9th term of an A.P. and d=4 is the common difference, then 18th term of the sequence is}

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65

67

71

75

If f(x) = x²-x then f(1) is

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0

1

2

3

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If u = xi + yj, then|u|

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x² + y²

(x² +y²)²

x²-y²

√(x²+y²)

The number of values of x in the interval [0, 5π] satisfying the equation 3 sin²x - 7 sinx + 2 = 0 is

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0

5

6

10

The coefficient of the third term of (8a-b)^1/3, after simplification is

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-228

1/288

1/220

-1/177

The sets {1, 2, 4} and {4, 6, 8, 10} are

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Equal sets

Equivalent sets

Disjoint sets

Over lapping sets

cosθ/2=

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The probability to get an odd number in a dice thrown once is

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1/2

1/6

1/3

2

The eccentricity of the conic 9x²- 16y²= 144 is

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4/5

5/4

4/3

3/4

We also the system of non-homogeneous linear equations by

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a and b

b and c

c and a

a, b and c

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5

-5

none

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

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Principle of equality of fractions

Rule for product of fractions

Golden rule for fractions

Rule for quotient of fractions

The set {-1,1} is

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Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

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If A is a set then any subset R of A x A is called

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relation on A

relation on B

relation from A to B

relation from B to A

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If y is an image of x under the function f, then we write

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y = f(x)

x = f(y)

y = x

none of these

What is the period of 6 sin x=?

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π

-π

π/2

2π

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sec 3x + c

- cosec 3x + c

The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

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Two real roots

Two positive roots

Two negative roots

One positive and one negative root

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2x + 3

x²+ 3 + c

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