Question:
From a well shuffled pack of cards, a card is drawn at random. Find the probability of getting a black queen.
Solution:
GIVEN: One card is drawn from a well shuffled deck of 52 playing cards
TO FIND: Probability of getting a black queen
Total number of cards are52.
Cards which are black queen are 1 from 2 black suits
Total number of black queen cards is 
We know that PROBABILITY = 
Hence probability of getting an black queen= 
Hence probability of getting an black queen = 