Coding and Decoding Questions

If 23$35 = 13, 3$5 = 8 then what is the value of 4$13 = ?

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

17 x 18 ÷ 30 - 20 + 14 = ?

If 2*10 = 6, 14*16 = 15 and 4*16 = 10, then find the value of 16*8 = ?

If 11$25 = 18, 12$20 = 16 then what is the value of 4$50 = ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M"denotes "added to" and "L" denotes "divided by", then

96 L 12 S 7 V 49 M 10 =?

If 27 (15) 33 and 41 (13) 53, then what is the value of 'A' in 26 (A) 35?

If in a code language 3456 = ROPE and 15526 = APPLE then 54613 = ?

In a certain code language, “MAKER” is written as “PDNHU”. How is “TOOLS” written in that code language?