Mathematics · 2015
JEE Main · 11 April 2015, Shift 1 · Q90
Consider the following statements: P: Suman is brilliant. Q: Suman is rich. R: Suman is honest. The negation of the statement, "Suman is brilliant…
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 equivalently expressed as :
Official answer
(4)
$\displaystyle \sim Q \leftrightarrow P \wedge \sim R$
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JEE Main 2015 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.