Question # 1

Conjunction of two statements p and q is denoted symbolically as

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The conjunction of 3>5 , and 5>9, is

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False

True

Disjunction

Unknown

A conjunction is considered to he true only if both its components are

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false

equilvalent

equal

true

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

A daclarative statement which may be true or false but not both is called a

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hypothesis

proposition

implication

conjuction

We often consult doctors or lawyers on the basis of their good

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personality

behaviour

reputation

good dealing

To draw conclusions from some experiments or few contacts only is called:

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Deduction

Implication

Conjunction

Induction

The statements of the form "If p then q" are called

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hypothesis

conditional

disjunction

conjunction

Deduction is mostly used in

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elementary mathematics

natural science

higher mathematics

medicine

All men are mortal. We are men, therefore, we are also mortal. This is a useful example of

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deduction

induction

conjunction

disjunction

Any conditional and its contrapositive are

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Equilavant

Opposite

Equal

Not Equal

Disjunction of p and q is

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p or q

p and q

p if q

p implies q

The converse and Inverse are

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Equivalent to each other

Opposite to each other

Equal to each other

Not Equal to each other

While witting his hooks on geometry, Euclid used

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inductive method

deductive method

implication

proposition

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

-p is the

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Implication of p

disjunction of p

negation of p

conjunction of p

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

While writing his books on geometry, Euelid used

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Inductive method

Deductive method

Implication

proposition

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

Basic-principles of deductive logic were laid down by:

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Euelid

Leibniz

Aristotle

Newton

The symbol ∃ stand for

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Such that

This implies that

For all

There exist

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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conclusion

consequent

hypothesis

conditional

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ECAT Mathematics Chapter 3 Logic Online Test MCQs With Answers

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