A family party included the following people: one grandfather, one grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one father-in-law, one mother-in-law, and one daughter-in-law. But there were not as many people in attendance as it sounds. How many were there, and who were they?

# Plep's Puzzles

## Thursday, November 29, 2007

## Friday, November 23, 2007

## Saturday, November 17, 2007

## Wednesday, November 14, 2007

There are 3 bags. One contains 2 gold coins, another has 2 silver coins and the 3rd has one of each.

You pick a bag at random, and without looking inside take out one coin. It's gold. What is the probability that the other coin in that bag is also gold?