Coding and Decoding Questions

In a certain code, 592 means 'grapes are sweet', 374 means 'I like oranges' and 267 means 'oranges are sour'. Which digit represents sour?

If + means ÷, ­ means x, x means ­ and ÷ means +, which of the following will be the value of expression 16÷8­4+2x4=?

If 19 $ 7 = 312 and 23 $ 9 = 448, then 31 $ 11 = ?

If 8%5 = 30, 9%2 = 70 and 1%4 = -30, then find the value of 2%5 = ?

If A=1, HAT=29, then PAN=?

If 6#30=5; 8#24=3; 7#28=4; then what is the value of 8#40=?

In a certain code language, "DURING" is written as "GRUFQD". How is "PICKED" written in that code language?

If + means ÷ , ÷ means ­- , ­- means x and x means + , what will be the value of the following expression:

8 + 4 ÷ 3 x 5 ­ 9 = ?