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## #101 2012-07-14 01:59:53

bobbym

Online

### Re: Objective Type

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #102 2012-07-14 22:47:32

ganesh
Moderator

Offline

### Re: Objective Type

Hi anonimnystefy and bobbym,

The answers 71 and 72 are correct. Well done!

73. When (2,5) lies on 4x + my = 3, the value of m is _______________
(a) 1
(b) -1
(c) 2
(d) -3

74. The value of

= ____________
(a) 1
(b)

(c)

(d) 0

Character is who you are when no one is looking.

## #103 2012-07-14 22:49:30

anonimnystefy
Real Member

Offline

### Re: Objective Type

Hi ganesh

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #104 2012-07-14 22:51:28

bobbym

Online

### Re: Objective Type

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #105 2012-07-15 22:22:20

ganesh
Moderator

Offline

### Re: Objective Type

Hi anonimnystefy and bobbym,

The answers 73 and 74 are correct. Well done!

75. Given A = {1,2,3} and B = {2,3,5}, A - B = ___________________
(a) {1,2}
(b) {1,3}
(c) {1}
(d) {5}

76. The quadratic equations of the roots

is _______________
(a) x2 - 4x + 1 = 0
(b) x2 + 4x + 1 = 0
(c) x2 - 4x - 1 = 0
(d) x2 + 4x - 1 = 0

Character is who you are when no one is looking.

## #106 2012-07-15 22:25:09

bobbym

Online

### Re: Objective Type

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #107 2012-07-16 22:21:00

ganesh
Moderator

Offline

### Re: Objective Type

Hi bobbym,

The answers 75 and 76 are correct. Well done!

77.

= ____________________
(a)

(b)

(c)

(d) None of these

78. When A and B are mutually exclusive events, then
= _______________
(a) 0
(b) P(A)
(c) P(B)
(d) None of these

Character is who you are when no one is looking.

## #108 2012-07-16 22:48:04

bobbym

Online

### Re: Objective Type

Hi ganesh;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

careless25
Real Member

Offline

## #110 2012-07-17 22:23:51

ganesh
Moderator

Offline

### Re: Objective Type

Hi bobbym and careless25,

bobbym : The relation is given by

The answers 78 (bobbym) and 77 & 78 (careless25) are correct. Well done!

79. When
is divisible by x - 1, the value of a is __________________
(a) 7
(b) -7
(c) 6
(d) 5

80. The roots of the equation x2 - 4 = 0 are ______________
(a) real and equal
(b) imaginary
(c) unreal
(d) real and unequal

Character is who you are when no one is looking.

## #111 2012-07-18 04:11:06

bobbym

Online

### Re: Objective Type

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #112 2012-07-18 11:02:54

careless25
Real Member

Offline

### Re: Objective Type

Last edited by careless25 (2012-07-18 11:03:37)

## #113 2012-07-18 22:46:43

ganesh
Moderator

Offline

### Re: Objective Type

Hi bobbym and careless25,

The answer 80 is correct. Well done!

bobbym : Both the answers are correct. Well done!

81. The length of the diagonal of a square of side √8 cm is _____________
(a) √8 cm
(b) 4 cm
(c) 2 cm
(d) 8 cm

82. The slope of the line y = 7 is __________________
(a) 1
(b) 7
(c) 0
(d) None of these

Character is who you are when no one is looking.

## #114 2012-07-18 22:49:03

bobbym

Online

### Re: Objective Type

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #115 2012-07-19 22:18:24

ganesh
Moderator

Offline

### Re: Objective Type

Hi bobbym,

The answers 81 and 82 are correct. Well done!

83. The minimum value of the function Z = 3x + y is at __________________
(a) (1,1)
(b) (1,0)
(c) (2,1)
(d) (2,0)

84. The mid-point of the line joining the points (7,5) and (5,7) is ________________
(a) (0,0)
(b) (6,6)
(c) (6,0)
(d) (0,6)

Character is who you are when no one is looking.

## #116 2012-07-19 23:04:56

bobbym

Online

### Re: Objective Type

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #117 2012-07-20 21:07:58

ganesh
Moderator

Offline

### Re: Objective Type

Hi bobbym,

The answers 83 and 84 are correct. Well done!

85. If sin 60o = cos x, then tan x = __________________
(a) 1/√3
(b) √3
(c) 1
(d) 0

86. The probability of a sum event is ______________
(a) 0
(b) 1
(c) Not defined
(d) None of these

Character is who you are when no one is looking.

## #118 2012-07-20 21:16:36

bobbym

Online

### Re: Objective Type

Hi ganesh;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #119 2012-07-21 03:11:43

anonimnystefy
Real Member

Offline

### Re: Objective Type

Hi ganesh

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #120 2012-07-21 21:50:27

ganesh
Moderator

Offline

### Re: Objective Type

Hi bobbym and anonimnystefy,

The answers 85 and 86 are correct, bobbym! Well done!

anonimnystefy : 85 is correct, Well done!

87. Given A = {1,2,3,4} and B = {3,4,5,6}, B - A = __________________
(a) {1,2}
(b) {3,4}
(c) {5,6}
(d) {}

88. The quadratic equation with the roots ±1 is ____________________
(a) x² + 1 = 0
(b) x² + x + 1 = 0
(c) x + 1 = 0
(d) x² - 1 = 0

Character is who you are when no one is looking.

## #121 2012-07-21 22:15:26

bobbym

Online

### Re: Objective Type

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #122 2012-07-21 22:52:29

anonimnystefy
Real Member

Offline

### Re: Objective Type

Hi ganesh

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #123 2012-07-22 22:28:51

ganesh
Moderator

Offline

### Re: Objective Type

Hi bobbym and anonimnystefy,

The answers 87 and 88 are correct. Well done!

89. A point on 4x + 2y ≤ 10 is ___________________
(a) (2,2)
(b) (2,1)
(c) (3,1)
(d) (1,4)

90. The point of intersection of the lines x + y = 3 and x - y = 1 is at ________________
(a) (3,2)
(b) (2,1)
(c) (1,2)
(d) (1,1)

Character is who you are when no one is looking.

## #124 2012-07-23 00:35:01

anonimnystefy
Real Member

Offline

### Re: Objective Type

Hi ganesh

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #125 2012-07-23 01:15:09

bobbym

Online

### Re: Objective Type

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.