Coding and Decoding Questions

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

9 ÷ 16 - 25 + 10 x 20 = ?

If SUN = 108, MOON = 114. What is STAR = ?

If MIGRANT is coded as LHFQZMS, then how will GEL be coded as?

If "P" denotes "multiplied by", "R" denotes "subtracted from", "S" denotes "added to" and "Q" denotes "divided by", then 6 P 7 S 169 Q 13 R 5 = ?

If REDUCE= 56, RECYCLE = 71 then REUSE=?

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

If 23@5=56; 6@7=26; 5@2=14; then what is the value of 7@5=?

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

6 x 6 ÷ 10 - 8 + 2 = ?