3 JEE Main 2019 Sets and Relations previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 previous-year questions from the Sets and Relations chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Sets and Relations chapter hub.
Let A ,   B and C   be sets such that ϕ ≠ A ∩ B ⊆ C . Then which of the following stat…
In a class of 140 students numbered 1 to 140 , all even numbered students opted Mathematics course, those whose number…
Let Z be the set of integers. If A = x ∈ Z   :   2 x + 2 x 2 - 5 x + 6 = 1 and B = { x ∈ Z ̴…