Coding and Decoding Questions

If 3 @ 3 * 3 = 3 and 48 @ 4 * 3 = 36, then 91 @ 13 * 2 = ?

In a certain code language, "CUTE" is written as "9251" and "REST" is written as "4135". How is "RESCUE" written in that code language?

In a certain code language, "PAGE" is written as "QCJI". How is "CALL"written in that code language?

A*B means multiply A by B; A@B means divide A by B, A?B means add B to A and A=B means subtract B from A. Then find the value of 10*10 = 5*10 ? 50@10

If Q = 10 and FAX = 50, then XEROX = ?

In a certain code language,"MASTER" is written as "RETSAM". How is "LITERACY" written in that code language?

If HEROISM is coded as SVILRHN, then how will ALP be coded as?

If 5 * 3 = 19 and 8 * 5 = 49, then what should 6 * 4 be?