Coding and Decoding Questions

If 'x' means '-', '-' means 'x', '+' means '/' and '/' means '+', then what is the value of 15 - 2 / 900 + 90 x 100?

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

6 x 2 x 9 = 269

8 x 7 x 1 = 781

4 x 1 x 3 = ?

If "S" denotes "multiplied by", "P" denotes "subtracted from", "R" denotes "added to" and "Q" denotes "divided by", then 14641 Q 121 P 100 S 2 R 100 = ?

If 29$14 = 6, 37$25 = 3 then what is the value of 84$62 = ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then 7 V 42 M 56 L 8 S 5 = ?

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

If 8*9 = 36, 12*4 = 24 and 14*6 = 42, then find the value of 18*6 = ?

If x stands for - , + means x , ÷ means + and - means ÷ , then what is the value of the given expression?

175 - 25 ÷ 5 + 2 x 3 + 10 = ?