Coding and Decoding Questions

If 9#3 = 120, 3#4 = 70 and 2#9 = 110, then find the value of 5#2 = ?

If BOULDER is coded as ZMSJBCP, then how will ELK be coded as?

If 1∆-5=5, 4∆7=-28 and -1∆-3=-3, then find the value of 8∆-8 =?

In a certain code language, "WILDHORN" is written as "1133" and "RAPTURE" is written as "1089". How is "PORTLOUIS" written in that code language?

If REGAINS is coded as QDFZHMR, then how will PRY be coded as?

If 19 + 2 x 2 + 3 = 369 and 23 + 2 x 6 + 2 = 565, then 7 + 3 x 11 + 3 = ?

In a certain code language, “TRAP” is written as “53” and “MADE” is written as “21”. How is “LATE” written in that code language?

Some equations are solved on the basis of certain system. Find out the correct answer for unsolved equation on that basis: 4 x 5 x 8 = 584, 7 x 3 x 9 = 397, 9 x 7 x 3 = ?