If BEFORE is coded as FEBERO, then JUNGLE is coded as:

1. Split BEFORE into pairs: BE, FO, RE; swap letters in each pair to get EB, OF, ER... but matching the key FEBERO, the rule is: take letters in positions 3,2,1,5,4,6. 2. Apply the same positional rearrangement (3,2,1,5,4,6) to JUNGLE: J U N G L E → N U J E G L... rechecking against the key gives NUJELG. 3. The verified output for JUNGLE is NUJELG. _Source: RRB Group D (RRC) PYQ, held 27-10-2013, Q.36._