true blue anil
Virtually an octogenarian with precious little Math knowledge, probably trying to keep my combination of grey cells in order, by dabbling in probability and combinatorics.
23 A gambler with the devil's luck? jun 23 '13
19 Six x’s has to be placed in the squares in the adjacent figure, such that each row contains at least one x. This can be done in dec 17
18 A king has n children, at least one of them is a daughter. What’s the probability that all of them are daughters? oct 16
6 Ways to arrange chips in a circle sep 30
5 A closet contains 10 pairs of shoes. If 8 shoes are randomly selected, what is the probability that there will be exactly 1 complete pair? sep 9