Question

In a certain code language, if the word RESERVE is coded as GXTGUGT, then how is the word PRESENT coded in that language?

Accepted Answer

A. Reverse RESERVE $\implies$ E V R E S E R. Add +2 to each letter: E+2=G, V+2=X, R+2=T, E+2=G, S+2=U, E+2=G, R+2=T $\implies$ GXTGUGT. For PRESENT: Reverse: T N E S E R P. Add +2 to each letter: T+2=V, N+2=P, E+2=G, S+2=U, E+2=G, R+2=T, P+2=R $\implies$ VPGUGTR.

Reversal and Shift Coding

Explanation

Practise this under exam conditions