2017 Sem 2‎ > ‎

Math test

posted May 16, 2017, 9:05 AM by Mike Costello
In a barn, 100 chicks sit peacefully in a circle. Suddenly, each chick randomly pecks the chick immediately to its left or right. 
What is the expected number of unpecked chicks?


The smallest integer of a set of consecutive integers is -32. 
If the sum of these integers is 67, how many integers are in the set?


A bag of coins contains only pennies, nickels and dimes with at least five of each. How many different combined values are possible if five coins are selected at random?