You can download the answer key from the below link
Board of Technical Education Rajasthan will published RPET-2010 (Rajasthan Pre Engineering Test) Answer Key.
Rajasthan Pre Engineering Test (RPET) Answer Key 2010.
FOR ANSWER KEY
http://techedu.rajasthan.gov.in/RPET/RPET.htm
Rajasthan Pre-Engineering Test (RPET) is conducted every year for the admission in the Undergraduate programs of the Engineering Colleges of the Rajasthan.
Some Colleges like BITS Pilani, MNIT Jaipur and other Deemed & Private Universities admissions do not take place through RPET.
RPET is also known as RPETEAP, which (Rajasthan Pre Entrance Test for Engineering, Architecture and Pharmacy).
Board of Technical Education Rajasthan will soon publish RPET (Rajasthan Pre Engineering Test) 2010 Answer Key on their official website.
RPET 2010 Answer Key would be available on http://techedu.rajasthan.gov.in/RPET/RPET.htm, once published.
RPET for Year 2010-2011 was conducted today i.e. 20th May, 2010 from 9:00 am to 12:00 pm.