## Combinations Resources

It's a math story problem.   It deals with a lock.  It uses three numbers from 0-49.  has three numbers in the combination with a right - left- right combination.  What...

I have a follow up. How would I calculate the e and o combinations that have an equal amount of e’s and o’s in any combination for example with 2 to the forth power there are 16 combinations but only...

If there are 28 number in a lotto game ranging from 1-28, every time it is drawn 6 numbers are selected ramdomly, but a number can’t be selected more than once, how many different combinations are...

A group of 10 people volunteer for for a clinical trial. How many ways can 4 of the volunteers be chosen to receive a placebo and the remaining 6 be chosen to receive an active drug? Of...

What is the total combination I will have if I have 13 kids and each kid has a choice to choose one of these 3 fruits a pears, grapes and orange( i have an umlimted supply of each fruit but each kid...

i have a jar which must always be filled to 100%. i have 4 different items which can be placed into the jar to fill it. each item can be added in increments of 25%, and may be placed in the jar more...