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#101 2012-07-13 03:59:53

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

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#102 2012-07-14 00:47:32

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,462

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.

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#103 2012-07-14 00:49:30

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,536

Re: Objective Type

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

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#104 2012-07-14 00:51:28

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

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#105 2012-07-15 00:22:20

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,462

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) x[sup]2[/sup] - 4x + 1 = 0
(b) x[sup]2[/sup] + 4x + 1 = 0
(c) x[sup]2[/sup] - 4x - 1 = 0
(d) x[sup]2[/sup] + 4x - 1 = 0


Character is who you are when no one is looking.

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#106 2012-07-15 00:25:09

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

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#107 2012-07-16 00:21:00

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,462

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.

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#108 2012-07-16 00:48:04

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi ganesh;



In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

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#109 2012-07-16 03:06:55

careless25
Real Member
Registered: 2008-07-24
Posts: 555

Re: Objective Type

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#110 2012-07-17 00:23:51

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,462

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 x[sup]2[/sup] - 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.

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#111 2012-07-17 06:11:06

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

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#112 2012-07-17 13:02:54

careless25
Real Member
Registered: 2008-07-24
Posts: 555

Re: Objective Type


Last edited by careless25 (2012-07-17 13:03:37)

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#113 2012-07-18 00:46:43

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,462

Re: Objective Type

Hi bobbym and careless25,

careless25 : The answer

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.

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#114 2012-07-18 00:49:03

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

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#115 2012-07-19 00:18:24

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,462

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.

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#116 2012-07-19 01:04:56

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#117 2012-07-19 23:07:58

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,462

Re: Objective Type

Hi bobbym,

The answers 83 and 84 are correct. Well done!

85. If sin 60[sup]o[/sup] = 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.

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#118 2012-07-19 23:16:36

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#119 2012-07-20 05:11:43

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,536

Re: Objective Type

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

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#120 2012-07-20 23:50:27

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,462

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.

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#121 2012-07-21 00:15:26

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#122 2012-07-21 00:52:29

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,536

Re: Objective Type

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

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#123 2012-07-22 00:28:51

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,462

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.

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#124 2012-07-22 02:35:01

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,536

Re: Objective Type

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

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#125 2012-07-22 03:15:09

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,807

Re: Objective Type

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

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