(i) False
As 3 \(\in\) {2, 3, 4, 5}, 3 \(\in\) {3, 6}
\(⇒\) {2, 3, 4, 5} \(\cap\) {3, 6} = {3}
(ii) False
As a \(\in\) {a, e, i, o, u}, a \(\in\) {a, b, c, d}
\(⇒\) {a, e, i, o, u } \(\cap\) {a, b, c, d} = {a}
(iii) True
As {2, 6, 10, 14} \(\cap\) {3, 7, 11, 15} = \(\phi\)
(iv) True
As {2, 6, 10} \(\cap\) {3, 7, 11} = \(\phi\)
Some important operations on sets include union, intersection, difference, and the complement of a set, a brief explanation of operations on sets is as follows:
1. Union of Sets:
2. Intersection of Sets:
3.Set Difference:
4.Set Complement: