Coding and Decoding Questions

In a certain code language, "BISLERI" is written as "IREBISL". How is "PANTHER" written in that code language?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

X_ZX_YY_ZX_Z

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis.

8x7x6=765
5x3x2=421
9x6x4= ?

In a certain code language, “LUNGS” is written as “OWQIV”. How is “HEART” written in that code language?

If in a certain language, STRING is coded as TSIRGN, how is RANDOM coded in that code?

In a certain code language, “NOTES” is written as “141520519” and “MAKAR” is written as “13111118”. How is “LOFTS” written in that code language?

In a certain code language "CANADA" is written as "BZMBEB". How is "SYDNEY" written in that code language?

In a certain code language, “FRONT” is written as “618151420” and “BORNE” is written as “21518145”. How is “MORNS” written in that code language?