Let F_{1}(A, B, C)=(A ∧ ∼ B) ∨[∼ C ∧(A ∨ B)] ∨ ∼ A and F_{2}(A, B)=(A ∨ B) ∨(B \to ∼ A) be two logical expressions. Then, [26 Feb 2021 Shift 2]

Correct Answer is : F1 is not tautology but F2 is a tautology

F_{1} and F_{2} both are tautologies

F_{1} is a tautology but F_{2} is not a tautology

F_{1} is not tautology but F_{2} is a tautology

Both F_{1} and F_{2} are not tautologies

Test Index

JEE Main 26 Feb 2021 Shift 2 Solved Paper

Section: Mathematics

Question : 69

Total: 89

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