JEE Main 27 June 2022 Shift 2 Solved Paper

Section: Mathematics

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Question : 20 of 90

Marks: +1, -0

Which of the following statement is a tautology?

[27-Jun-2022-Shift-2]

((∼q)∧p)∧q
((∼q)∧p)∧(p∧(∼p))
((∼q)∧p)∨(p∨(∼p))
(p∧q)∧(∼p∧q))

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