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Mathematical Reasoning
hard
यदि $P \Rightarrow( q \vee r )$ सत्य नहीं है, तो $p , q , r$ के सत्य मान क्रमशः हैं
A
$F, T, T$
B
$T, F, F$
C
$T, T, F$
D
$F, F, F$
(JEE MAIN-2019)
Solution
$p \Rightarrow \left( {p \vee r} \right)$ is false
($\because$ ${T \Rightarrow F = F}$)
So, $p = T,q = F$ and $r = F$
Standard 11
Mathematics