







8 numbers from 80 
20130904 

susan pose la question : Out of 80 numbers how many combinations of 8 are there and what are they. Penny Nom lui répond. 





Four digit combinations from 1,2, ..., 9 
20120226 

Errol pose la question : show me a list with all four digit combination numbers from 0 9 Penny Nom lui répond. 





58 choose 4 
20110826 

Jean pose la question : Using only the numbers 159, how many times would the
number 23 appear in combinations of 5 numbers?
... Can a list be provided as well?
Thank you very much,
Jean Penny Nom lui répond. 





6 numbers from 53 numbers 
20091117 

MIGUEL pose la question : IM A STUDENT IN HIGH SCHOOL AND IM HELPING THE SOCCER COACH WITH PLAYS
SO I NEED ALL THE POSSIBLE NUMBER COMBINATIONS OF NUMBERS 1 53 IN SETS OF SIX
THE NUMBER CAN ONLY BE USED ONCE IN EACH SET. Penny Nom lui répond. 





A 25 team league 
20090331 

brad pose la question : 25 teams are in a league in which each team plays everybody once how many games must be scheduled ? Penny Nom lui répond. 





Choosing 5 numbers out of 39 numbers 
20080718 

robert pose la question : Please list the way I can choose 5 numbers out of 39 numbers, without repeating them, starting at number 1.
Please send me a list of all 120 combination. Harley Weston lui répond. 





Choosing a number from 1  400 
20080704 

Peter pose la question : The numbers 1400, inclusive, are put into a hat. What is the probability that the first number chosen at random is a multiple of 4 or 17? Express your answer as a common fraction.
How do you do this the question without a calculator? Leeanne Boehm lui répond. 





Choosing 6 numbers from 42 
20080119 

Marcus pose la question : If i have 42 numbers to choose from and i could only choose 6 numbers at a time without choosing the same number twice in the same row, how many possibilities are there? Penny Nom lui répond. 





Choosing 6 from a set of 12 
20070412 

Darren pose la question : there are 12 numbers (123456789101112)
how many times can i pick 6 different numbers? Stephen La Rocque lui répond. 





Choosing 5 numbers from 1,...,36 
20040630 

A lottery player? pose la question : how many combinations are there for the numbers 1thru 36 when only using each number once in groups of five Penny Nom lui répond. 





Tree diagrams 
20021012 

Denean pose la question :
 For lunch, students can choose juice or milk; hamburger or pizza; and a banana or apple. How many lunch combinations can the students make?
 In an experiment, Monty can use paper towels or cloth. He can choose red, green, or yellow food coloring. How many combinations are there?
Penny Nom lui répond. 





Cannonballs 
19990127 

Roger King pose la question : How many cannonballs can be stacked in a triangular pyramid? Penny Nom lui répond. 

