which of the following sets are disjoint :
A={2,1,4}
B= {-1,5,1}
C= {1,9}
D={ x: x is an odd natural number greater than 3}
Example:
Let A = {1, 2, 3, 4, 5}, B = {4, 5, 6, 7, 8} and C = { 7, 8, 9, 10}
∴ A and B and B and C are intersecting sets.
Thus, AD, BD and CD are disjoint sets.