







Arrangements of the letters STRANGE 
20150822 

Ravi pose la question : In how many ways can the letters of the word STRANGE be arranged to that the vowels occupy only the old places. Penny Nom lui répond. 





In how many ways can 12 members of volleyball team line up ... 
20111118 

Aatir pose la question : In how many ways can 12 members of volleyball team line up if the captain and assistant captain have to remain together. Penny Nom and Stephen La Rocque lui répond. 





Arrangements of ten letters 
20110415 

Mustafa pose la question : In how many ways can the ten letters of the word GELATINOUS be arranged
in a line so that the vowels are in alphabetical order (not necessarily together)
when read from left to right? Penny Nom lui répond. 





Arrangements 
20090820 

Anna pose la question : How many arrangements of FATHER can be made if all the vowels must be kept together? Leeanne Boehm lui répond. 





Rearrangements of 8028842 
20090717 

Con pose la question : How many different 7digit numbers can be made by rearranging the digits in the number 8028842? Penny Nom lui répond. 





0123456789 
20090325 

Dr. pose la question : Many years ago I discovered that there are 33 numbers which,
when multiplied by 0123456789, simply rearrange the digits. Surprisingly
(to me at least) is the fact that the digits of all of those 33 numbers add up
to one of the 6 "cardinal" numbers 1, 2, 4, 5, 7, and 8. For example
6 + 2 = 8 and 62 X 0123456789 = 7654320918 etc.
Another interesting (to me) fact is that only the cardinal numbers
1, 2, 4, 5, 7, and 8 rearrange the digits in the number 9876543210.
My question is: "Is this known to anyone but me and the people I have
told?" Robert Dawson lui répond. 





Seating 8 people in a row 
20090215 

raymond pose la question : In how many ways can 4 boys and 4 girls be seated in a row if they may sit anywhere Penny Nom lui répond. 





4 digit arrangements of 7 3 6 6 
20090205 

Carole pose la question : I need all the four digit combinations using the numbers 7 3 6 6 Penny Nom lui répond. 





Smallest Even Number 
20080709 

Ma. pose la question : Using the digits 0, 1, 3, 4, and 5 only once give the smallest 5digit even number Janice Cotcher lui répond. 





Escort cards on a rectangular table 
20080613 

Susan pose la question : What size rectangular table will we need to put 230 2" X 3.5" escort cards on for my daughter's wedding reception with a spacing of .5 inch between them on all sides? Thanks so much for your help Penny Nom lui répond. 





How many different ways can cards fall when shuffling? 
20080609 

Twyla pose la question : How many different ways can cards fall when shuffling? In other words,
if you have 52 numbers, each one unique, how many different ways can
they be arranged, using each number only once? Penny Nom lui répond. 





Rearrangements of the digits in 0123456789 
20080323 

Joe pose la question : Found a close problem but not quite.
Using digits 0123456789, how can I figure what all the different
possibilities would be without repeating any digits?
I know that there are 10! possible answers but how can I figure out what
they are? Stephen La Rocque lui répond. 





All possible arrangements of the word "PROBLEM" 
20080225 

student pose la question : Consider all possible arrangements of the word "PROBLEM". If a word is picked at random, find the probability that
(a) the word starts with a vowel
(b) the word ends with a consonant. Harley Weston lui répond. 





Arrangements of children by age 
20070902 

shani pose la question : How many different arrangements of children by age can there be in families with four children?(hint: Boygirlboygirl is different from boygirlgirlboy. Presume there are no twins)
The hint is more confusing than the question. Penny Nom lui répond. 





Rearranging the alphabet 
20070818 

samhita pose la question : Find the number of ways of arranging 26 letters in the English alphabet in a row such that there are exactly 5 letters between x and y. Stephen La Rocque and Penny Nom lui répond. 





How many arrangements are there? 
20060416 

Jim pose la question : Can you tell me how many different combinations there are using 3 letters and 4 numbers. Letters first then numbers, example aaa0001, aaa0002, aaa0003,baa0001, baa0002, zzz9999. Stephen La Rocque lui répond. 





A seating arrangement 
20050203 

Kay pose la question : If you have 5 married couples, how many arrangements can be made if they must sit across from each other? Penny Nom lui répond. 





Arrangements around a circular table 
20031007 

Lori pose la question : How many arrangements can 6 people be seated round a circular table? Penny Nom lui répond. 





Runs 
20030316 

Diana pose la question : How many arrangements are there with n 0's and m 1's, with k runs of 0's? (A run is a consecutive set [1 or more] of the same digit; eg. 000 111 0 11 00 has three runs.) Penny Nom lui répond. 





Arranging some numbers 
20010114 

Denise pose la question : Arrange the following numerals in two groups of four each so that each group will add to give the same sum. 1 2 3 4 5 7 8 9 Penny Nom anf Claude Tardif lui répond. 





Calculator and telephones keypads phones 
20000627 

Thomas Smith and Veronica YatesRiley pose la question : On a keyboard, why is the number "7" on the top of the keypad as opposed to the number "1" at the top a telephone keypad? Penny Nom lui répond. 

