This book contains 20 sets of mock Mathcounts Sprint Round problems with the answer keys.
Each test consists of 30 problems. These problems can be used to train students to compete at the Mathcounts State level as well as the National level.
The solution file (added 2017) can be downloaded free: http: //samsmathclub.com/Forum/index.php?topic=1071.msg1696#msg1696