ECAT Pre General Science MCQ Test With Answer for Mathematics Chapter 3

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

• Deduction A
• Induction B
• Conjuction C
• disjunction D

To draw conclusions from some expreiments or few contacts only is called

• deduction A
• implication B
• conjunction C
• induction D

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

• false A
• equilvalent B
• equal C
• true D

Any conditional and its contrapositive are

• Equilavant A
• Opposite B
• Equal C
• Not Equal D

The disjunction of two statements p and q, is denoted symbolically as

• 
  A
• 
  B
• 
  C
• 
  D

• conclusion A
• consequent B
• hypothesis C
• conditional D

10 is a even number or 0 is a natural number, then truth value of this disjunction is

• false A
• true B
• not discussed C
• negation of first D

A statement which is already false is called

• Tautology A
• Contrapsitive B
• Absurdity C
• Universal quantifiers D

• hypothesis A
• implication B
• consequent C
• conditional D

The greater part of our knowledge, is based on

• deduction A
• induction B
• conjunction C
• disjunction D

If p is false, ~ p is

• true A
• not true B
• equal to p C
• conjuction D

For reasoning, we have to use

• implication A
• conjunction B
• induction C
• proposition D

Basic-principles of deductive logic were laid down by:

• Euelid A
• Leibniz B
• Aristotle C
• Newton D

• false A
• true B
• not valid C
• undefine D

Deductive logic in which every statement is regarded as true or false and there is no other possibility is called:

• Deductive logic A
• Inductive logic B
• Aristotlian logic C
• Non-Aristotlian logic D

To draw conclusions front premises believed to be true, this way of reasoning is called

• deduction A
• induction B
• implication C
• disjunction D

Disjunction of p and q is

• p or q A
• p and q B
• p if q C
• p implies q D

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

• hypothesis A
• conditional B
• disjunction C
• conjunction D

According to Aristotle, in proposition there could be

• one possibilities A
• two possibilities B
• three possibilities C
• seven possibilities D

The symbol∋ stand for

• Such that A
• There exist B
• For all C
• Belongs to D

While writing his books on geometry, Euelid used

• Inductive method A
• Deductive method B
• Implication C
• proposition D

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

• Deduction A
• Implication B
• Conjunction C
• Induction D

If p is false, -p is

• True A
• Not true B
• Equal to p C
• Conjunction D

The symbol ∃ stand for

• Such that A
• This implies that B
• For all C
• There exist D

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

• False A
• Equivalent B
• Equal C
• True D

10 is a even number or 0 is a natural number, then truth value of this disjunction is

• False A
• True B
• Not discussed C
• negation of first D

According to Aristotle, in preposition there could be

• One possibility A
• Two possibility B
• three possibility C
• Seven possibilites D

Deduction is mostly used in

• elementary mathematics A
• natural science B
• higher mathematics C
• medicine D

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

• False A
• True B
• Disjunction C
• Unknown D

While witting his hooks on geometry, Euclid used

• inductive method A
• deductive method B
• implication C
• proposition D