JEE Main 201911 Jan, Morning shiftMathematicsEasyMathematical Reasoning115× since 2008If q is false and p ∧\wedge∧ q ↔\leftrightarrow↔ r is true, then which one of the following statements is a tautology ?AOption A. P ∧\wedge∧ rBOption B. (p ∨\vee∨ r) →\to→ (p ∧\wedge∧ r)COption C. p ∨\vee∨ rDOption D. (p ∧\wedge∧ r) →\to→ (p ∨\vee∨ r)CheckSkip · show solution
