Question

7. If P = [5,6,7,8). Q = (2,4,6,8) and
R=2, 3, 7, 9), then P nQnR=​

Answer 1

{} there is no number common to the three sets so it is an empty set

Explanation:

Answer 2

pnQnR= {}

Explanation:

there is no number common in set P, set Q and set R.

So the answer is null

{}