ECAT Pre General Science Mathematics Chapter 3 Logic Online Test With Answers

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ECAT Pre General Science Mathematics Chapter 3 Logic Online Test

Sr. # Questions Answers Choice
1 The conjunction of 3>5, and 5<9, is false true unknown disjunction
2 10 is a even number or 0 is a natural number, then truth value of this disjunction is false true not discussed negation of first
3 The disjunction of two statements p and q, is denoted symbolically as
4 If both p and q are false, then the disjunction of p and q is false true equal equivalent
5 Disjunction of p and q is p or q p and q p if q p implies q
6 A conjunction is considered to he true only if both its components are false equilvalent equal true
7 Conjunction of two statements p and q is denoted symbolically as
8 If p is false, ~ p is true not true equal to p conjuction
9 ~ p is the implication of p disjunction of p negation of p conjuction of p
10 Logic in which there is scope of third or fourth possibility is called. non-Aristotlian logic Aristotlian logic Postulates induction logic
11 Deductive logic in which every statement is regarded as true or false and there is no other possibility is called deductive logic inductive logic Aristolian logic non-Aristolian logic
12 According to Aristotle, in proposition there could be one possibilities two possibilities three possibilities seven possibilities
13 A daclarative statement which may be true or false but not both is called a hypothesis proposition implication conjuction
14 For reasoning, we have to use implication conjunction induction proposition
15 While witting his hooks on geometry, Euclid used inductive method deductive method implication proposition
16 To draw conclusions from some expreiments or few contacts only is called deduction implication conjunction induction
17 Basic principles of deductive logic were laid down by Euclid Leibniz Newton Aristotle
18 Deduction is mostly used in elementary mathematics natural science higher mathematics medicine
19 To draw conclusions front premises believed to be true, this way of reasoning is called deduction induction implication disjunction
20 All men are mortal. We are men, therefore, we are also mortal. This is a useful example of deduction induction conjunction disjunction
21 We often consult doctors or lawyers on the basis of their good personality behaviour reputation good dealing
22 The greater part of our knowledge, is based on deduction induction conjunction disjunction
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