Q. If $A = \left\{ 1,\ 2,\ 3 \right\},\ B\left\{ 3,\ 4 \right\},\ C\{ 4,\ 5,\ 6\}$. Then, $A \cup (B \cap C)$ is
A) {1, 2}
B) {$\phi$}
C) {4, 5}
D) {1, 2, 3, 4}
Explanation
(d)
$B \cap C = \left\{ 4 \right\}.$
$\therefore A \cup (B \cap C) = \{ 1,\ 2,\ 3,\ 4\}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.