Coding and Decoding Questions

If SPOON means PLATE, PLATE means BOWL, BOWL means GLASS and GLASS means SPOON, then what is used to drink water?

If "A" denotes "multiplied by", "B" denotes "subtracted from", "C" denotes "added to" and "D" denotes "divided by", then

7 B 17 C 88 D 11 A 6 = ?

If 6 @ 4 @ 7 = 101 and 2 @ 5 @ 11 = 150, then what is the value of A in A @ 8 @ 9 = 289?

If 5$125 = 25, 12$48 = 4 then what is the value of 4$24 = ?

If THOUGHT is coded as THGUOHT then THROAT will be coded as

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it? _AB_PQ_AB_P_

In a certain code language, "VENUS" is written as "TVOFW". How is "FAMILY" written in that code language?

In a certain code language, "TOAST" is written as "56345" and "TRAIN" is written as "59310". How is"TORN" written in that code language?