JEE Main 2019 — Math solution | Fundamenthol

JEE Main2019Math

Q.

Which one of the following Boolean expressions is a tautology ?

A
(p $\lor$ q) $\lor$ (p $\lor$ ~ q)
B
(p $\land$ q) $\lor$ (p $\land$ ~ q)
C
(p $\lor$ q) $\land$ (p $\lor$ ~ q)
D
(p $\lor$ q) $\land$ (~ p $\lor$ ~ q)

Solution

← Back to full paper

Practice more Math

Concept-wise practice with instant solutions on Fundamenthol.

Start practicing →