If Q = {2, 3, 4}, R = {4, 5, 8} then which of the following statements are correct ?
Q and R are joint sets
Q and R are equivalent sets
Q = {2, 3, 4}, R = {4, 5, 8}
Q and R have a common element, so they are joint sets.
n(Q) = n(R) = 3
Q and R are equivalent sets.