Wed 10 Sep, 2014 01:37 pm - 3 lottery tickets are drawn from a total of 15. Assume that the order is important. How many simple events are associated?
In how many ways can 16 balloons be place one after another if 4 are... (view)
Tue 9 Sep, 2014 12:30 pm - a small community consists of 10 men each of its home has 3 sons. if 1 man and 1 of his sons are to be chosen as father & son of the year. how many different choices are possible? (view)
