CBSE Class 11-science Answered
The observation that in a deck of 52 cards we have 4 kings and 48 non kings.
Selection of 5 cards having at least one king can be made as follows:
1 king and 4 non kings or 2 kings and 3 non kings or 3 kings and 2 non kings or 4 kings and 1 non king.
This can be expressed mathematically as
Number of selections: and we will get 1 mark