I am thinking to install the quick start virtual box of Cloudera, search on Cloudera download page, but unable to find the spark version in the latest Cloudera QuickStart virtual box, can any have knowledge of this, please let me know.  
What version of spark in latest Cloudera QuickStart VirtualBox?
apache spark
QuickStart VM latest 5.7 has spark version 1.6.0 by default. 