SSC CHSL 10 Jan 2017 Shift 2 Paper

"BISLERI" is written as "IREBISL"
The word is divitded into two parts of 4 and 3 letters respectively = (BISL) (ERI), now both the parts are swapped and the second part is also reversed. Code = (IRE) (BISL)
Similarly, for PANTHER = (PANT) (HER), second part is reversed and swapped.
Thus, PANTHER : REHPANT