ECAT Mathematics Chapter 23 With Answers

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ECAT Mathematics Chapter 23

Sr. # Questions Answers Choice
1 The set of first elements of the ordered pairs in a relation is called its domain range relation function
2 If A is a set then any subset R of A x A is called relation on A relation on B relation from A to B relation from B to A
3 If A and B are two sets then any subset R of B x A is called relation on A relation on B relation from A to B relation from B to A
4 If A and B are two sets then any subset R of A x B is called relation on A relation on B relation from A to B relation from B to A
5 The number of subsets of a set having three elements is 4 6 8 none of these
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9 Biconditional Implication Antecedent Hypothesis
10 Conclusion Implication Antecedent Hypothesis
11 If we have a statement "if p then q" then q is called Conclusion Implication Unknown Hypothesis
12 If p and q are two statements then their biconditional 'p if q' is denoted by
13 A conditional "if p then q" is denoted by
14 If p and q are two statements then their conjunction is denoted by
15 If P is a proposition then its negative is denoted by
16 A statement which is either true or false is called Induction Deduction Propositicon Logic
17 A A' U None of these
18 A B U None of these
19 A B U None of these
20 n(A) n(B) 0 1
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