In a certain coding language KANPUR is coded as JBMQTS. How will BOMBAY be coded in that language?

BOMBAY is coded as APLCZZ.

The shift alternates -1, +1, -1, +1, -1, +1, as in KANPUR to JBMQTS.

B - 1 = A, O + 1 = P.

M - 1 = L, B + 1 = C.

A - 1 = Z, Y + 1 = Z.

Collecting the letters gives APLCZZ.