Question 20
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Consider the following statements
P : Suman is brilliant
Q : Suman is rich
R : Suman is honest
The negation of the statement "Suman is brilliant and dishonest if and only if Suman is rich" can be expressed as
1) 
2) 
3) 
4) 
- A 1
- B 2
- C 3
- D 4 Correct
Correct Answer: Option D
Suman is brilliant and dishonest is P 
~ R
Suman is brilliant and dishonest iff suman is rich is
Q 
(P ~ R)
Negative of statement is expressed as
~ (Q (P ~ R)).
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