







30 students 
20090806 

Peter pose la question : Question from Peter, a student:
Can you please help with the following questions?
(a) It is known that among any group of the three students in a class two of them are friends. Total number of students is 25. Prove that there is a student who has at least 12 friends.
(b) There are 30 students in a class. They sit at 15 double desks, each one is for two students. Half of the girls sit with boys. Is it possible to make a rearrangement so that half of the boys sit with girls? Penny Nom lui répond. 





How many women and men math students are there? 
20070709 

Bing pose la question : there are 38 math students. How many men and women strudents are there if the women exceeded one half of the men by 17? Stephen La Rocque lui répond. 





How many students are in the class? 
20061012 

Lillian pose la question : There is one more boy than girls in the class, how many students in all? Stephen La Rocque lui répond. 





Probability of getting their stories straight 
20060405 

Amy pose la question : Four students drive to school in the same car. They claim they were late because they had a flat tire. Assuming they did not have a flat tire what is the probability that they all would choose the same tire if asked which one was flat. Stephen La Rocque lui répond. 





450 students 
20011219 

Jessie pose la question : My teacher told me that the number of ways of lining up the 450 students in our school is larger than the number of atoms in the universe. Is this right? This question came to Good Question, a regular feature on the CBC Morning Edition radio show in Saskatchewan. Denis Hanson and Harley Weston lui répond. 

