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ECAT Mathematics Chapter 3 Logic Online Test MCQs With Answers
Question # 1
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p and q
p or q
p implies q
p is equivalent to q
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Question # 2
Which of the following statement, is ture
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Lahore is in Punjab and 5>7
Lahore is the capital of Pakistan and 3<23
Lahore is capital of Sindh and 2+2=7
Lahore is the capital of Sindh or 2+2 = 4
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Question # 3
The greater part of our knowledge, is based on
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deduction
induction
conjunction
disjunction
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Question # 4
The conjunction of 3>5 , and 5>9, is
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False
True
Disjunction
Unknown
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Question # 5
A conjunction is considered to be true only if both its components are
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False
Equivalent
Equal
True
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Question # 6
According to Aristotle, in preposition there could be
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One possibility
Two possibility
three possibility
Seven possibilites
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Question # 7
A statement which is already false is called
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Tautology
Contrapsitive
Absurdity
Universal quantifiers
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Question # 8
All men are mortal, We are men, there fore, we are also mortal. This is a useful example of
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Deduction
Induction
Conjuction
disjunction
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Question # 9
To draw conclusions front premises believed to be true, this way of reasoning is called
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deduction
induction
implication
disjunction
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Question # 10
The conditional statement "If p then q" is logically equivalent to the statement.
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Not p or Not q
Not p and Not q
Not p or q
p or q
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Question # 11
If p is false, -p is
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True
Not true
Equal to p
Conjunction
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Question # 12
10 is a even number or 0 is a natural number, then truth value of this disjunction is
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false
true
not discussed
negation of first
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Question # 13
If both p and q are false, then the disjunction of p and q is
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false
true
equal
equivalent
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Question # 14
A declarative statement which may be true or false but not both is called a
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Hypothesis
Proposition
implication
conjunction
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Question # 15
10 is a even number or 0 is a natural number, then truth value of this disjunction is
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False
True
Not discussed
negation of first
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Question # 16
Any two propositions which is combined by the word "and" and form a compound proposition is called
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conditional of the original proposition
consequent of the original proposition
disjunction of the original proposition
conjunction of the original propositoin
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Question # 17
Which of the following statement, is true
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Lahore is in Punjab and 5>7
Lahore is the capital of Pakistan and 3<23
Lahore is capital of Sindh and 2+2 = 7
Lahore is the capital of Sindh or 2+2=4
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Question # 18
Deductive logic in which every statement is regarded as true or false and there is no other possibility is called:
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Deductive logic
Inductive logic
Aristotlian logic
Non-Aristotlian logic
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Question # 19
Disjunction of p and q is
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p or q
p and q
p if q
p implies q
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Question # 20
Basic principles of deductive logic were laid down by
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Euclid
Leibniz
Newton
Aristotle
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Question # 21
-p is the
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Implication of p
disjunction of p
negation of p
conjunction of p
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Question # 22
Deduction is mostly used in
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elementary mathematics
natural science
higher mathematics
medicine
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Question # 23
While writing his books on geometry, Euelid used
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Inductive method
Deductive method
Implication
proposition
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Question # 24
~ p is the
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implication of p
disjunction of p
negation of p
conjuction of p
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Question # 25
While witting his hooks on geometry, Euclid used
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inductive method
deductive method
implication
proposition
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Question # 26
The symbol∋ stand for
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Such that
There exist
For all
Belongs to
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Question # 27
A statement which is already false is called
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Tautology
Contrapsitive
Absurdity
Universal quantifiers
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Question # 28
Logic in which there is scope of third or fourth possibility is called.
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non-Aristotlian logic
Aristotlian logic
Postulates
induction logic
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Question # 29
Conjunction of two statements p and q is denoted symbolically as
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Question # 30
Basic-principles of deductive logic were laid down by:
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Euelid
Leibniz
Aristotle
Newton
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