16 JEE Main 2020 Mathematical Reasoning previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2020 previous-year questions from the Mathematical Reasoning chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Mathematical Reasoning chapter hub.
Which of the following statement is a tautology?
The contrapositive of the statement "If I reach the station in time, then I will catch the train" is
The negation of the Boolean expression x ↔ ~ y is equivalent to:
Which of the following is a tautology?
Consider the statement: "For an integer n , if n 3 - 1 is even, then n is odd". The contrapositive statement of this st…
Let p ,   q ,   r be three statements such that the truth value of p ∧ q → ~ q ∨ r is F . T…
For two statements p and q , the logical statement p → q ∧ q → ~ p is equivalent to
The negation of the Boolean expression p ∨ ( ~ p ∧ q ) is equivalent to :
Given the following two statements: S 1 : q ∨ p → p ↔ ~ q is a tautology S 2 : ~ q ∧ ~ p ↔…
Which one of the following is a tautology?
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