Question # 1

Given two independent event A and B such that P(A) = 0.30 and P(B) = 0.60. Probability of getting neither A nor B is

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0.28

0.13

0.12

0.42

The solution of differential equation:

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dy/dx+y/x = x²is :

4xy = x⁴+ c

4x = x⁴= c

4 y = x⁴+ c

4x=4x³ + c

The exact value of cos^-1 (-1) + cos^-1(1) =

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π

-π

π/2

π/3

tan (-135°) = ______θ

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0

1

2

3

The set of natural no. is closed under

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multiplication

subtraction

difference

division

Domain of cos x is ______

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120°=______

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∫x sin xdx is equal to:

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sin x/x + cos x

sin x - cos x/x

x cos x + sin x

- x cos x + sin x

Multiplicative inverse of 0 is

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0

1

+-1

Does not exist

The distance of the point (-2,3) from x-axis is

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-2

2

3

1

p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

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1

2

3

4

Tan 360° = _______

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-1

0

1

Undefined

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f(x) = 2^x+ 3 . 2^2x+ 5 is

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trigonometric function

algebraic function

exponential function

logarithmic function

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1

0

3

-1

4^1+x+ 4^1-x= 10 is called

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Reciprocal equation

Exponential equation

Radical equation

None of these

The greatest integer which divides the number 101¹⁰⁰- 1 is

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100

1000

10000

100000

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The sides of a right angled triangle are in A.P The ratio of sides is

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1:2:3

3:4:5

2:3:4

5:8:3

A conditional "if p then q" is denoted by

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n different objects can be arranged taken all at a time in ______

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(n + 1)! ways

(n - 1)! ways

n! ways

n ways

Every identity matrix is

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Row-vector

Scalar

Column-vector

All

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0

1

2

none of these

If p and q are two statements then their conjunction is denoted by

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Only one real solution

Exactly three real solution

Exactly one rational solution

Non-real roots

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z is purely imaginary

a is any complex number

z is real

None of these

Every recurring decimal represents

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A natural number

A rational number

An irrational number

A whole number

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