ePublish Scotland
 

Puzzle Archive

Main Page

Free Demo
Downloads

Educational
Resources

Internet
Resources

Online
Orders

Contact Us

scotland

23. Kids 'R Us

Chris has two children. They are not both boys. What is the probability that they are both girls?
 

Scroll down the page for the answer.


 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

If there are two children then there are four possibilities: boy-boy, boy-girl, girl-boy and girl-girl. Since the first of these has been ruled out then the probability of two girls is 1/3
 

Visit the puzzle archive for more puzzles and their solutions.

   

for further information, contact: info@epublish-scotland.com